15138565551

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1237721}}^1$

素因数の和:1237884

約数の個数: 20

約数和(自身を含む): 22764183024

約数和(自身を除く): 7625617473

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 1237721, 3713163, 11139489, 33418467, 100255401, 186895871, 560687613, 1682062839, 5046188517, 15138565551]

約数ペア:

[(1, 15138565551), (3, 5046188517), (9, 1682062839), (27, 560687613), (81, 186895871), (151, 100255401), (453, 33418467), (1359, 11139489), (4077, 3713163), (12231, 1237721)]