64742391

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23899}}^1$

素因数の和:23955

約数の個数: 24

約数和(自身を含む): 109366400

約数和(自身を除く): 44624009

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 23899, 71697, 167293, 215091, 501879, 1027657, 1505637, 3082971, 7193599, 9248913, 21580797, 64742391]

約数ペア:

[(1, 64742391), (3, 21580797), (7, 9248913), (9, 7193599), (21, 3082971), (43, 1505637), (63, 1027657), (129, 501879), (301, 215091), (387, 167293), (903, 71697), (2709, 23899)]