39981543

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{13697}}^1$

素因数の和:13846

約数の個数: 16

約数和(自身を含む): 61367040

約数和(自身を除く): 21385497

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 13697, 41091, 95879, 287637, 1903883, 5711649, 13327181, 39981543]

約数ペア:

[(1, 39981543), (3, 13327181), (7, 5711649), (21, 1903883), (139, 287637), (417, 95879), (973, 41091), (2919, 13697)]