389638275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2917}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 699059424

約数和(自身を除く): 309421149

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 137, 195, 325, 411, 685, 975, 1781, 2055, 2917, 3425, 5343, 8751, 8905, 10275, 14585, 26715, 37921, 43755, 44525, 72925, 113763, 133575, 189605, 218775, 399629, 568815, 948025, 1198887, 1998145, 2844075, 5195177, 5994435, 9990725, 15585531, 25975885, 29972175, 77927655, 129879425, 389638275]

約数ペア:

[(1, 389638275), (3, 129879425), (5, 77927655), (13, 29972175), (15, 25975885), (25, 15585531), (39, 9990725), (65, 5994435), (75, 5195177), (137, 2844075), (195, 1998145), (325, 1198887), (411, 948025), (685, 568815), (975, 399629), (1781, 218775), (2055, 189605), (2917, 133575), (3425, 113763), (5343, 72925), (8751, 44525), (8905, 43755), (10275, 37921), (14585, 26715)]