121531125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 219098880

約数和(自身を除く): 97567755

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 125, 185, 285, 375, 461, 475, 555, 703, 925, 1383, 1425, 2109, 2305, 2375, 2775, 3515, 4625, 6915, 7125, 8759, 10545, 11525, 13875, 17057, 17575, 26277, 34575, 43795, 51171, 52725, 57625, 85285, 87875, 131385, 172875, 218975, 255855, 263625, 324083, 426425, 656925, 972249, 1094875, 1279275, 1620415, 2132125, 3284625, 4861245, 6396375, 8102075, 24306225, 40510375, 121531125]

約数ペア:

[(1, 121531125), (3, 40510375), (5, 24306225), (15, 8102075), (19, 6396375), (25, 4861245), (37, 3284625), (57, 2132125), (75, 1620415), (95, 1279275), (111, 1094875), (125, 972249), (185, 656925), (285, 426425), (375, 324083), (461, 263625), (475, 255855), (555, 218975), (703, 172875), (925, 131385), (1383, 87875), (1425, 85285), (2109, 57625), (2305, 52725), (2375, 51171), (2775, 43795), (3515, 34575), (4625, 26277), (6915, 17575), (7125, 17057), (8759, 13875), (10545, 11525)]