31442481

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1283}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 52079040

約数和(自身を除く): 20636559

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 1283, 2723, 3501, 3849, 8169, 8981, 11547, 24507, 26943, 80829, 499087, 1497261, 3493609, 4491783, 10480827, 31442481]

約数ペア:

[(1, 31442481), (3, 10480827), (7, 4491783), (9, 3493609), (21, 1497261), (63, 499087), (389, 80829), (1167, 26943), (1283, 24507), (2723, 11547), (3501, 8981), (3849, 8169)]