1220325

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 2062368

約数和(自身を除く): 842043

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 307, 795, 921, 1325, 1535, 3975, 4605, 7675, 16271, 23025, 48813, 81355, 244065, 406775, 1220325]

約数ペア:

[(1, 1220325), (3, 406775), (5, 244065), (15, 81355), (25, 48813), (53, 23025), (75, 16271), (159, 7675), (265, 4605), (307, 3975), (795, 1535), (921, 1325)]