31991337

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2237}}^1$

素因数の和:2477

約数の個数: 24

約数和(自身を含む): 53067456

約数和(自身を除く): 21076119

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 2237, 4767, 6711, 14301, 15659, 20133, 46977, 140931, 507799, 1523397, 3554593, 4570191, 10663779, 31991337]

約数ペア:

[(1, 31991337), (3, 10663779), (7, 4570191), (9, 3554593), (21, 1523397), (63, 507799), (227, 140931), (681, 46977), (1589, 20133), (2043, 15659), (2237, 14301), (4767, 6711)]