1380909817

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{202747}}^1$

素因数の和:202900

約数の個数: 12

約数和(自身を含む): 1617929040

約数和(自身を除く): 237019223

約数列:

[1, 7, 49, 139, 973, 6811, 202747, 1419229, 9934603, 28181833, 197272831, 1380909817]

約数ペア:

[(1, 1380909817), (7, 197272831), (49, 28181833), (139, 9934603), (973, 1419229), (6811, 202747)]