29947281

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15671}}^1$

素因数の和:15701

約数の個数: 24

約数和(自身を含む): 50025024

約数和(自身を除く): 20077743

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 15671, 47013, 109697, 203723, 329091, 611169, 767879, 1426061, 2303637, 4278183, 9982427, 29947281]

約数ペア:

[(1, 29947281), (3, 9982427), (7, 4278183), (13, 2303637), (21, 1426061), (39, 767879), (49, 611169), (91, 329091), (147, 203723), (273, 109697), (637, 47013), (1911, 15671)]