28218128625

素因数分解:

$3^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2689

約数の個数: 128

約数和(自身を含む): 54205632000

約数和(自身を除く): 25987503375

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 89, 111, 125, 135, 185, 225, 267, 333, 375, 445, 555, 675, 801, 925, 999, 1125, 1335, 1665, 2225, 2403, 2539, 2775, 3293, 3375, 4005, 4625, 4995, 6675, 7617, 8325, 9879, 11125, 12015, 12695, 13875, 16465, 20025, 22851, 24975, 29637, 33375, 38085, 41625, 49395, 60075, 63475, 68553, 82325, 88911, 93943, 100125, 114255, 124875, 148185, 190425, 225971, 246975, 281829, 300375, 317375, 342765, 411625, 444555, 469715, 571275, 677913, 740925, 845487, 952125, 1129855, 1234875, 1409145, 1713825, 2033739, 2222775, 2348575, 2536461, 2856375, 3389565, 3704625, 4227435, 5649275, 6101217, 7045725, 8360927, 8569125, 10168695, 11113875, 11742875, 12682305, 16947825, 21137175, 25082781, 28246375, 30506085, 35228625, 41804635, 50843475, 63411525, 75248343, 84739125, 105685875, 125413905, 152530425, 209023175, 225745029, 254217375, 317057625, 376241715, 627069525, 762652125, 1045115875, 1128725145, 1881208575, 3135347625, 5643625725, 9406042875, 28218128625]

約数ペア:

[(1, 28218128625), (3, 9406042875), (5, 5643625725), (9, 3135347625), (15, 1881208575), (25, 1128725145), (27, 1045115875), (37, 762652125), (45, 627069525), (75, 376241715), (89, 317057625), (111, 254217375), (125, 225745029), (135, 209023175), (185, 152530425), (225, 125413905), (267, 105685875), (333, 84739125), (375, 75248343), (445, 63411525), (555, 50843475), (675, 41804635), (801, 35228625), (925, 30506085), (999, 28246375), (1125, 25082781), (1335, 21137175), (1665, 16947825), (2225, 12682305), (2403, 11742875), (2539, 11113875), (2775, 10168695), (3293, 8569125), (3375, 8360927), (4005, 7045725), (4625, 6101217), (4995, 5649275), (6675, 4227435), (7617, 3704625), (8325, 3389565), (9879, 2856375), (11125, 2536461), (12015, 2348575), (12695, 2222775), (13875, 2033739), (16465, 1713825), (20025, 1409145), (22851, 1234875), (24975, 1129855), (29637, 952125), (33375, 845487), (38085, 740925), (41625, 677913), (49395, 571275), (60075, 469715), (63475, 444555), (68553, 411625), (82325, 342765), (88911, 317375), (93943, 300375), (100125, 281829), (114255, 246975), (124875, 225971), (148185, 190425)]