12421125

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 22883952

約数和(自身を除く): 10462827

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 181, 183, 225, 305, 375, 543, 549, 905, 915, 1125, 1525, 1629, 2715, 2745, 4525, 4575, 7625, 8145, 11041, 13575, 13725, 22625, 22875, 33123, 40725, 55205, 67875, 68625, 99369, 165615, 203625, 276025, 496845, 828075, 1380125, 2484225, 4140375, 12421125]

約数ペア:

[(1, 12421125), (3, 4140375), (5, 2484225), (9, 1380125), (15, 828075), (25, 496845), (45, 276025), (61, 203625), (75, 165615), (125, 99369), (181, 68625), (183, 67875), (225, 55205), (305, 40725), (375, 33123), (543, 22875), (549, 22625), (905, 13725), (915, 13575), (1125, 11041), (1525, 8145), (1629, 7625), (2715, 4575), (2745, 4525)]