5638491

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 20

約数和(自身を含む): 8497104

約数和(自身を除く): 2858613

約数列:

[1, 3, 9, 27, 81, 151, 453, 461, 1359, 1383, 4077, 4149, 12231, 12447, 37341, 69611, 208833, 626499, 1879497, 5638491]

約数ペア:

[(1, 5638491), (3, 1879497), (9, 626499), (27, 208833), (81, 69611), (151, 37341), (453, 12447), (461, 12231), (1359, 4149), (1383, 4077)]