40247739

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3491}}^1$

素因数の和:3568

約数の個数: 32

約数和(自身を含む): 69281280

約数和(自身を除く): 29033541

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3491, 3843, 10473, 11529, 24437, 31419, 73311, 94257, 212951, 219933, 638853, 659799, 1490657, 1916559, 4471971, 5749677, 13415913, 40247739]

約数ペア:

[(1, 40247739), (3, 13415913), (7, 5749677), (9, 4471971), (21, 1916559), (27, 1490657), (61, 659799), (63, 638853), (183, 219933), (189, 212951), (427, 94257), (549, 73311), (1281, 31419), (1647, 24437), (3491, 11529), (3843, 10473)]