18065625

素因数分解:

$3^1\times 5^5\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 13432359

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 125, 141, 205, 235, 375, 615, 625, 705, 1025, 1175, 1875, 1927, 3075, 3125, 3525, 5125, 5781, 5875, 9375, 9635, 15375, 17625, 25625, 28905, 29375, 48175, 76875, 88125, 128125, 144525, 146875, 240875, 384375, 440625, 722625, 1204375, 3613125, 6021875, 18065625]

約数ペア:

[(1, 18065625), (3, 6021875), (5, 3613125), (15, 1204375), (25, 722625), (41, 440625), (47, 384375), (75, 240875), (123, 146875), (125, 144525), (141, 128125), (205, 88125), (235, 76875), (375, 48175), (615, 29375), (625, 28905), (705, 25625), (1025, 17625), (1175, 15375), (1875, 9635), (1927, 9375), (3075, 5875), (3125, 5781), (3525, 5125)]