1398225

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 2347072

約数和(自身を除く): 948847

約数列:

[1, 3, 5, 15, 25, 75, 103, 181, 309, 515, 543, 905, 1545, 2575, 2715, 4525, 7725, 13575, 18643, 55929, 93215, 279645, 466075, 1398225]

約数ペア:

[(1, 1398225), (3, 466075), (5, 279645), (15, 93215), (25, 55929), (75, 18643), (103, 13575), (181, 7725), (309, 4525), (515, 2715), (543, 2575), (905, 1545)]