71319915

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{33721}}^1$

素因数の和:33779

約数の個数: 24

約数和(自身を含む): 126255168

約数和(自身を除く): 54935253

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 33721, 101163, 168605, 303489, 505815, 1517445, 1584887, 4754661, 7924435, 14263983, 23773305, 71319915]

約数ペア:

[(1, 71319915), (3, 23773305), (5, 14263983), (9, 7924435), (15, 4754661), (45, 1584887), (47, 1517445), (141, 505815), (235, 303489), (423, 168605), (705, 101163), (2115, 33721)]