139121125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 209873664

約数和(自身を除く): 70752539

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 125, 143, 181, 215, 275, 325, 473, 559, 715, 905, 1075, 1375, 1625, 1991, 2353, 2365, 2795, 3575, 4525, 5375, 6149, 7783, 9955, 11765, 11825, 13975, 17875, 22625, 25883, 30745, 38915, 49775, 58825, 59125, 69875, 85613, 101179, 129415, 153725, 194575, 248875, 294125, 428065, 505895, 647075, 768625, 972875, 1112969, 2140325, 2529475, 3235375, 5564845, 10701625, 12647375, 27824225, 139121125]

約数ペア:

[(1, 139121125), (5, 27824225), (11, 12647375), (13, 10701625), (25, 5564845), (43, 3235375), (55, 2529475), (65, 2140325), (125, 1112969), (143, 972875), (181, 768625), (215, 647075), (275, 505895), (325, 428065), (473, 294125), (559, 248875), (715, 194575), (905, 153725), (1075, 129415), (1375, 101179), (1625, 85613), (1991, 69875), (2353, 59125), (2365, 58825), (2795, 49775), (3575, 38915), (4525, 30745), (5375, 25883), (6149, 22625), (7783, 17875), (9955, 13975), (11765, 11825)]