28308651

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70949}}^1$

素因数の和:70978

約数の個数: 16

約数和(自身を含む): 45408000

約数和(自身を除く): 17099349

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70949, 212847, 496643, 1348031, 1489929, 4044093, 9436217, 28308651]

約数ペア:

[(1, 28308651), (3, 9436217), (7, 4044093), (19, 1489929), (21, 1348031), (57, 496643), (133, 212847), (399, 70949)]