16219125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 31515120

約数和(自身を除く): 15295995

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1109, 1125, 1625, 2925, 3327, 4875, 5545, 9981, 14417, 14625, 16635, 27725, 43251, 49905, 72085, 83175, 129753, 138625, 216255, 249525, 360425, 415875, 648765, 1081275, 1247625, 1802125, 3243825, 5406375, 16219125]

約数ペア:

[(1, 16219125), (3, 5406375), (5, 3243825), (9, 1802125), (13, 1247625), (15, 1081275), (25, 648765), (39, 415875), (45, 360425), (65, 249525), (75, 216255), (117, 138625), (125, 129753), (195, 83175), (225, 72085), (325, 49905), (375, 43251), (585, 27725), (975, 16635), (1109, 14625), (1125, 14417), (1625, 9981), (2925, 5545), (3327, 4875)]