447788319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1427}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 672005376

約数和(自身を除く): 224217057

約数列:

[1, 3, 11, 33, 37, 111, 257, 407, 771, 1221, 1427, 2827, 4281, 8481, 9509, 15697, 28527, 47091, 52799, 104599, 158397, 313797, 366739, 580789, 1100217, 1742367, 4034129, 12102387, 13569343, 40708029, 149262773, 447788319]

約数ペア:

[(1, 447788319), (3, 149262773), (11, 40708029), (33, 13569343), (37, 12102387), (111, 4034129), (257, 1742367), (407, 1100217), (771, 580789), (1221, 366739), (1427, 313797), (2827, 158397), (4281, 104599), (8481, 52799), (9509, 47091), (15697, 28527)]