461040957

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 777208320

約数和(自身を除く): 316167363

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 169, 191, 207, 299, 351, 507, 529, 573, 621, 897, 1521, 1587, 1719, 2483, 2691, 3887, 4393, 4563, 4761, 5157, 6877, 7449, 8073, 11661, 13179, 14283, 20631, 22347, 32279, 34983, 39537, 57109, 61893, 67041, 89401, 96837, 101039, 104949, 118611, 171327, 185679, 268203, 290511, 303117, 513981, 742417, 804609, 871533, 909351, 1313507, 1541943, 2227251, 2413827, 2728053, 3940521, 6681753, 11821563, 17075591, 20045259, 35464689, 51226773, 153680319, 461040957]

約数ペア:

[(1, 461040957), (3, 153680319), (9, 51226773), (13, 35464689), (23, 20045259), (27, 17075591), (39, 11821563), (69, 6681753), (117, 3940521), (169, 2728053), (191, 2413827), (207, 2227251), (299, 1541943), (351, 1313507), (507, 909351), (529, 871533), (573, 804609), (621, 742417), (897, 513981), (1521, 303117), (1587, 290511), (1719, 268203), (2483, 185679), (2691, 171327), (3887, 118611), (4393, 104949), (4563, 101039), (4761, 96837), (5157, 89401), (6877, 67041), (7449, 61893), (8073, 57109), (11661, 39537), (13179, 34983), (14283, 32279), (20631, 22347)]