18100125

素因数分解:

$3^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 34744320

約数和(自身を除く): 16644195

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 125, 135, 155, 173, 225, 279, 375, 465, 519, 675, 775, 837, 865, 1125, 1395, 1557, 2325, 2595, 3375, 3875, 4185, 4325, 4671, 5363, 6975, 7785, 11625, 12975, 16089, 20925, 21625, 23355, 26815, 34875, 38925, 48267, 64875, 80445, 104625, 116775, 134075, 144801, 194625, 241335, 402225, 583875, 670375, 724005, 1206675, 2011125, 3620025, 6033375, 18100125]

約数ペア:

[(1, 18100125), (3, 6033375), (5, 3620025), (9, 2011125), (15, 1206675), (25, 724005), (27, 670375), (31, 583875), (45, 402225), (75, 241335), (93, 194625), (125, 144801), (135, 134075), (155, 116775), (173, 104625), (225, 80445), (279, 64875), (375, 48267), (465, 38925), (519, 34875), (675, 26815), (775, 23355), (837, 21625), (865, 20925), (1125, 16089), (1395, 12975), (1557, 11625), (2325, 7785), (2595, 6975), (3375, 5363), (3875, 4671), (4185, 4325)]