15618987

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1277}}^1$

素因数の和:1440

約数の個数: 20

約数和(自身を含む): 23504976

約数和(自身を除く): 7885989

約数列:

[1, 3, 9, 27, 81, 151, 453, 1277, 1359, 3831, 4077, 11493, 12231, 34479, 103437, 192827, 578481, 1735443, 5206329, 15618987]

約数ペア:

[(1, 15618987), (3, 5206329), (9, 1735443), (27, 578481), (81, 192827), (151, 103437), (453, 34479), (1277, 12231), (1359, 11493), (3831, 4077)]