31051839

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16279

約数の個数: 24

約数和(自身を含む): 51870000

約数和(自身を除く): 20818161

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16249, 48747, 113743, 211237, 341229, 633711, 796201, 1478659, 2388603, 4435977, 10350613, 31051839]

約数ペア:

[(1, 31051839), (3, 10350613), (7, 4435977), (13, 2388603), (21, 1478659), (39, 796201), (49, 633711), (91, 341229), (147, 211237), (273, 113743), (637, 48747), (1911, 16249)]