18141825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 15606015

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 809, 897, 975, 1495, 1725, 2427, 4045, 4485, 7475, 10517, 12135, 18607, 20225, 22425, 31551, 52585, 55821, 60675, 93035, 157755, 241891, 262925, 279105, 465175, 725673, 788775, 1209455, 1395525, 3628365, 6047275, 18141825]

約数ペア:

[(1, 18141825), (3, 6047275), (5, 3628365), (13, 1395525), (15, 1209455), (23, 788775), (25, 725673), (39, 465175), (65, 279105), (69, 262925), (75, 241891), (115, 157755), (195, 93035), (299, 60675), (325, 55821), (345, 52585), (575, 31551), (809, 22425), (897, 20225), (975, 18607), (1495, 12135), (1725, 10517), (2427, 7475), (4045, 4485)]