258238071

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 478858240

約数和(自身を除く): 220620169

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 61, 63, 91, 117, 183, 189, 273, 351, 427, 549, 793, 819, 1281, 1647, 1723, 2379, 2457, 3843, 5169, 5551, 7137, 11529, 12061, 15507, 16653, 21411, 22399, 36183, 46521, 49959, 67197, 105103, 108549, 149877, 156793, 201591, 315309, 325647, 470379, 604773, 735721, 945927, 1366339, 1411137, 2207163, 2837781, 4099017, 4233411, 6621489, 9564373, 12297051, 19864467, 28693119, 36891153, 86079357, 258238071]

約数ペア:

[(1, 258238071), (3, 86079357), (7, 36891153), (9, 28693119), (13, 19864467), (21, 12297051), (27, 9564373), (39, 6621489), (61, 4233411), (63, 4099017), (91, 2837781), (117, 2207163), (183, 1411137), (189, 1366339), (273, 945927), (351, 735721), (427, 604773), (549, 470379), (793, 325647), (819, 315309), (1281, 201591), (1647, 156793), (1723, 149877), (2379, 108549), (2457, 105103), (3843, 67197), (5169, 49959), (5551, 46521), (7137, 36183), (11529, 22399), (12061, 21411), (15507, 16653)]