13396257

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 23145876

約数和(自身を除く): 9749619

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 821, 1813, 2331, 2463, 5439, 5747, 7389, 16317, 17241, 30377, 40229, 51723, 91131, 120687, 212639, 273393, 362061, 637917, 1488473, 1913751, 4465419, 13396257]

約数ペア:

[(1, 13396257), (3, 4465419), (7, 1913751), (9, 1488473), (21, 637917), (37, 362061), (49, 273393), (63, 212639), (111, 120687), (147, 91131), (259, 51723), (333, 40229), (441, 30377), (777, 17241), (821, 16317), (1813, 7389), (2331, 5747), (2463, 5439)]