1328239875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3301}}^1$

素因数の和:3385

約数の個数: 64

約数和(自身を含む): 2348910720

約数和(自身を除く): 1020670845

約数列:

[1, 3, 5, 15, 25, 29, 37, 75, 87, 111, 125, 145, 185, 375, 435, 555, 725, 925, 1073, 2175, 2775, 3219, 3301, 3625, 4625, 5365, 9903, 10875, 13875, 16095, 16505, 26825, 49515, 80475, 82525, 95729, 122137, 134125, 247575, 287187, 366411, 402375, 412625, 478645, 610685, 1237875, 1435935, 1832055, 2393225, 3053425, 3541973, 7179675, 9160275, 10625919, 11966125, 15267125, 17709865, 35898375, 45801375, 53129595, 88549325, 265647975, 442746625, 1328239875]

約数ペア:

[(1, 1328239875), (3, 442746625), (5, 265647975), (15, 88549325), (25, 53129595), (29, 45801375), (37, 35898375), (75, 17709865), (87, 15267125), (111, 11966125), (125, 10625919), (145, 9160275), (185, 7179675), (375, 3541973), (435, 3053425), (555, 2393225), (725, 1832055), (925, 1435935), (1073, 1237875), (2175, 610685), (2775, 478645), (3219, 412625), (3301, 402375), (3625, 366411), (4625, 287187), (5365, 247575), (9903, 134125), (10875, 122137), (13875, 95729), (16095, 82525), (16505, 80475), (26825, 49515)]