51815169

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 88466560

約数和(自身を除く): 36651391

約数列:

[1, 3, 7, 9, 21, 61, 63, 97, 139, 183, 291, 417, 427, 549, 679, 873, 973, 1251, 1281, 2037, 2919, 3843, 5917, 6111, 8479, 8757, 13483, 17751, 25437, 40449, 41419, 53253, 59353, 76311, 94381, 121347, 124257, 178059, 283143, 372771, 534177, 822463, 849429, 2467389, 5757241, 7402167, 17271723, 51815169]

約数ペア:

[(1, 51815169), (3, 17271723), (7, 7402167), (9, 5757241), (21, 2467389), (61, 849429), (63, 822463), (97, 534177), (139, 372771), (183, 283143), (291, 178059), (417, 124257), (427, 121347), (549, 94381), (679, 76311), (873, 59353), (973, 53253), (1251, 41419), (1281, 40449), (2037, 25437), (2919, 17751), (3843, 13483), (5917, 8757), (6111, 8479)]