31078341

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8087}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 52151424

約数和(自身を除く): 21073083

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 8087, 24261, 56609, 72783, 169827, 493307, 509481, 1479921, 3453149, 4439763, 10359447, 31078341]

約数ペア:

[(1, 31078341), (3, 10359447), (7, 4439763), (9, 3453149), (21, 1479921), (61, 509481), (63, 493307), (183, 169827), (427, 72783), (549, 56609), (1281, 24261), (3843, 8087)]