646727679

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 1043304960

約数和(自身を除く): 396577281

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 271, 351, 507, 523, 813, 1521, 1569, 2439, 3523, 4563, 4707, 6799, 7317, 10569, 14121, 20397, 31707, 45799, 61191, 88387, 95121, 137397, 141733, 183573, 265161, 412191, 425199, 795483, 1236573, 1275597, 1842529, 2386449, 3826791, 5527587, 16582761, 23952877, 49748283, 71858631, 215575893, 646727679]

約数ペア:

[(1, 646727679), (3, 215575893), (9, 71858631), (13, 49748283), (27, 23952877), (39, 16582761), (117, 5527587), (169, 3826791), (271, 2386449), (351, 1842529), (507, 1275597), (523, 1236573), (813, 795483), (1521, 425199), (1569, 412191), (2439, 265161), (3523, 183573), (4563, 141733), (4707, 137397), (6799, 95121), (7317, 88387), (10569, 61191), (14121, 45799), (20397, 31707)]