9989145

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4723}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 17686656

約数和(自身を除く): 7697511

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 4723, 14169, 23615, 42507, 70845, 212535, 221981, 665943, 1109905, 1997829, 3329715, 9989145]

約数ペア:

[(1, 9989145), (3, 3329715), (5, 1997829), (9, 1109905), (15, 665943), (45, 221981), (47, 212535), (141, 70845), (235, 42507), (423, 23615), (705, 14169), (2115, 4723)]