260478351

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{21647}}^1$

素因数の和:21851

約数の個数: 24

約数和(自身を含む): 432267264

約数和(自身を除く): 171788913

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 12033, 21647, 64941, 151529, 194823, 454587, 1363761, 4134577, 12403731, 28942039, 37211193, 86826117, 260478351]

約数ペア:

[(1, 260478351), (3, 86826117), (7, 37211193), (9, 28942039), (21, 12403731), (63, 4134577), (191, 1363761), (573, 454587), (1337, 194823), (1719, 151529), (4011, 64941), (12033, 21647)]