2731491

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 4552704

約数和(自身を除く): 1821213

約数列:

[1, 3, 7, 9, 21, 63, 191, 227, 573, 681, 1337, 1589, 1719, 2043, 4011, 4767, 12033, 14301, 43357, 130071, 303499, 390213, 910497, 2731491]

約数ペア:

[(1, 2731491), (3, 910497), (7, 390213), (9, 303499), (21, 130071), (63, 43357), (191, 14301), (227, 12033), (573, 4767), (681, 4011), (1337, 2043), (1589, 1719)]