208432875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 399200256

約数和(自身を除く): 190767381

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 271, 293, 375, 525, 813, 875, 879, 1355, 1465, 1897, 2051, 2625, 4065, 4395, 5691, 6153, 6775, 7325, 9485, 10255, 20325, 21975, 28455, 30765, 33875, 36625, 47425, 51275, 79403, 101625, 109875, 142275, 153825, 237125, 238209, 256375, 397015, 555821, 711375, 769125, 1191045, 1667463, 1985075, 2779105, 5955225, 8337315, 9925375, 13895525, 29776125, 41686575, 69477625, 208432875]

約数ペア:

[(1, 208432875), (3, 69477625), (5, 41686575), (7, 29776125), (15, 13895525), (21, 9925375), (25, 8337315), (35, 5955225), (75, 2779105), (105, 1985075), (125, 1667463), (175, 1191045), (271, 769125), (293, 711375), (375, 555821), (525, 397015), (813, 256375), (875, 238209), (879, 237125), (1355, 153825), (1465, 142275), (1897, 109875), (2051, 101625), (2625, 79403), (4065, 51275), (4395, 47425), (5691, 36625), (6153, 33875), (6775, 30765), (7325, 28455), (9485, 21975), (10255, 20325)]