31847907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 53498368

約数和(自身を除く): 21650461

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2713, 3913, 8139, 11739, 18991, 35269, 56973, 105807, 116659, 246883, 349977, 740649, 816613, 1516567, 2449839, 4549701, 10615969, 31847907]

約数ペア:

[(1, 31847907), (3, 10615969), (7, 4549701), (13, 2449839), (21, 1516567), (39, 816613), (43, 740649), (91, 349977), (129, 246883), (273, 116659), (301, 105807), (559, 56973), (903, 35269), (1677, 18991), (2713, 11739), (3913, 8139)]