28479009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11971}}^1$

素因数の和:12048

約数の個数: 16

約数和(自身を含む): 41566784

約数和(自身を除く): 13087775

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 11971, 35913, 155623, 466869, 730231, 2190693, 9493003, 28479009]

約数ペア:

[(1, 28479009), (3, 9493003), (13, 2190693), (39, 730231), (61, 466869), (183, 155623), (793, 35913), (2379, 11971)]