420654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{5393}}^1$

素因数の和:5411

約数の個数: 16

約数和(自身を含む): 906192

約数和(自身を除く): 485538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 5393, 10786, 16179, 32358, 70109, 140218, 210327, 420654]

約数ペア:

[(1, 420654), (2, 210327), (3, 140218), (6, 70109), (13, 32358), (26, 16179), (39, 10786), (78, 5393)]