212156625

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 369008640

約数和(自身を除く): 156852015

約数列:

[1, 3, 5, 15, 25, 43, 59, 75, 125, 129, 177, 215, 223, 295, 375, 645, 669, 885, 1075, 1115, 1475, 2537, 3225, 3345, 4425, 5375, 5575, 7375, 7611, 9589, 12685, 13157, 16125, 16725, 22125, 27875, 28767, 38055, 39471, 47945, 63425, 65785, 83625, 143835, 190275, 197355, 239725, 317125, 328925, 565751, 719175, 951375, 986775, 1198625, 1644625, 1697253, 2828755, 3595875, 4933875, 8486265, 14143775, 42431325, 70718875, 212156625]

約数ペア:

[(1, 212156625), (3, 70718875), (5, 42431325), (15, 14143775), (25, 8486265), (43, 4933875), (59, 3595875), (75, 2828755), (125, 1697253), (129, 1644625), (177, 1198625), (215, 986775), (223, 951375), (295, 719175), (375, 565751), (645, 328925), (669, 317125), (885, 239725), (1075, 197355), (1115, 190275), (1475, 143835), (2537, 83625), (3225, 65785), (3345, 63425), (4425, 47945), (5375, 39471), (5575, 38055), (7375, 28767), (7611, 27875), (9589, 22125), (12685, 16725), (13157, 16125)]