1639478883

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1279843}}^1$

素因数の和:1279914

約数の個数: 16

約数和(自身を含む): 2539210496

約数和(自身を除く): 899731613

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1279843, 3839529, 8958901, 26876703, 78070423, 234211269, 546492961, 1639478883]

約数ペア:

[(1, 1639478883), (3, 546492961), (7, 234211269), (21, 78070423), (61, 26876703), (183, 8958901), (427, 3839529), (1281, 1279843)]