31528119

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 49284480

約数和(自身を除く): 17756361

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1543, 2919, 4629, 6811, 10801, 20433, 32403, 75607, 214477, 226821, 643431, 1501339, 4504017, 10509373, 31528119]

約数ペア:

[(1, 31528119), (3, 10509373), (7, 4504017), (21, 1501339), (49, 643431), (139, 226821), (147, 214477), (417, 75607), (973, 32403), (1543, 20433), (2919, 10801), (4629, 6811)]