1998457575

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{499}}^1\times {\mathrm{797}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 3364368000

約数和(自身を除く): 1365910425

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 499, 797, 1005, 1497, 1675, 2391, 2495, 3985, 5025, 7485, 11955, 12475, 19925, 33433, 37425, 53399, 59775, 100299, 160197, 167165, 266995, 397703, 501495, 800985, 835825, 1193109, 1334975, 1988515, 2507475, 4004925, 5965545, 9942575, 26646101, 29827725, 79938303, 133230505, 399691515, 666152525, 1998457575]

約数ペア:

[(1, 1998457575), (3, 666152525), (5, 399691515), (15, 133230505), (25, 79938303), (67, 29827725), (75, 26646101), (201, 9942575), (335, 5965545), (499, 4004925), (797, 2507475), (1005, 1988515), (1497, 1334975), (1675, 1193109), (2391, 835825), (2495, 800985), (3985, 501495), (5025, 397703), (7485, 266995), (11955, 167165), (12475, 160197), (19925, 100299), (33433, 59775), (37425, 53399)]