18112725

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1114

約数の個数: 36

約数和(自身を含む): 32884800

約数和(自身を除く): 14772075

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1019, 1185, 1975, 3057, 3555, 5095, 5925, 9171, 15285, 17775, 25475, 45855, 76425, 80501, 229275, 241503, 402505, 724509, 1207515, 2012525, 3622545, 6037575, 18112725]

約数ペア:

[(1, 18112725), (3, 6037575), (5, 3622545), (9, 2012525), (15, 1207515), (25, 724509), (45, 402505), (75, 241503), (79, 229275), (225, 80501), (237, 76425), (395, 45855), (711, 25475), (1019, 17775), (1185, 15285), (1975, 9171), (3057, 5925), (3555, 5095)]