289554993

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 537851776

約数和(自身を除く): 248296783

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 163, 189, 241, 273, 351, 489, 567, 723, 819, 1053, 1141, 1467, 1687, 2119, 2169, 2457, 3133, 3423, 4401, 5061, 6357, 6507, 7371, 9399, 10269, 13203, 14833, 15183, 19071, 19521, 21931, 28197, 30807, 39283, 44499, 45549, 57213, 65793, 84591, 92421, 117849, 133497, 136647, 171639, 197379, 253773, 274981, 353547, 400491, 510679, 592137, 824943, 1060641, 1201473, 1532037, 1776411, 2474829, 3181923, 3574753, 4596111, 7424487, 10724259, 13788333, 22273461, 32172777, 41364999, 96518331, 289554993]

約数ペア:

[(1, 289554993), (3, 96518331), (7, 41364999), (9, 32172777), (13, 22273461), (21, 13788333), (27, 10724259), (39, 7424487), (63, 4596111), (81, 3574753), (91, 3181923), (117, 2474829), (163, 1776411), (189, 1532037), (241, 1201473), (273, 1060641), (351, 824943), (489, 592137), (567, 510679), (723, 400491), (819, 353547), (1053, 274981), (1141, 253773), (1467, 197379), (1687, 171639), (2119, 136647), (2169, 133497), (2457, 117849), (3133, 92421), (3423, 84591), (4401, 65793), (5061, 57213), (6357, 45549), (6507, 44499), (7371, 39283), (9399, 30807), (10269, 28197), (13203, 21931), (14833, 19521), (15183, 19071)]