31491411

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21121}}^1$

素因数の和:21202

約数の個数: 16

約数和(自身を含む): 48665088

約数和(自身を除く): 17173677

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 21121, 63363, 147847, 443541, 1499591, 4498773, 10497137, 31491411]

約数ペア:

[(1, 31491411), (3, 10497137), (7, 4498773), (21, 1499591), (71, 443541), (213, 147847), (497, 63363), (1491, 21121)]