1209485625

素因数分解:

$3^1\times 5^4\times {\mathrm{647}}^1\times {\mathrm{997}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 2020303296

約数和(自身を除く): 810817671

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 647, 997, 1875, 1941, 2991, 3235, 4985, 9705, 14955, 16175, 24925, 48525, 74775, 80875, 124625, 242625, 373875, 404375, 623125, 645059, 1213125, 1869375, 1935177, 3225295, 9675885, 16126475, 48379425, 80632375, 241897125, 403161875, 1209485625]

約数ペア:

[(1, 1209485625), (3, 403161875), (5, 241897125), (15, 80632375), (25, 48379425), (75, 16126475), (125, 9675885), (375, 3225295), (625, 1935177), (647, 1869375), (997, 1213125), (1875, 645059), (1941, 623125), (2991, 404375), (3235, 373875), (4985, 242625), (9705, 124625), (14955, 80875), (16175, 74775), (24925, 48525)]