15978807

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 25469808

約数和(自身を除く): 9491001

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 3331, 4797, 9993, 29979, 43303, 129909, 136571, 389727, 409713, 1229139, 1775423, 5326269, 15978807]

約数ペア:

[(1, 15978807), (3, 5326269), (9, 1775423), (13, 1229139), (39, 409713), (41, 389727), (117, 136571), (123, 129909), (369, 43303), (533, 29979), (1599, 9993), (3331, 4797)]