251010279

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 415134720

約数和(自身を除く): 164124441

約数列:

[1, 3, 9, 13, 27, 39, 53, 103, 117, 131, 159, 309, 351, 393, 477, 689, 927, 1179, 1339, 1431, 1703, 2067, 2781, 3537, 4017, 5109, 5459, 6201, 6943, 12051, 13493, 15327, 16377, 18603, 20829, 36153, 40479, 45981, 49131, 62487, 70967, 90259, 121437, 147393, 175409, 187461, 212901, 270777, 364311, 526227, 638703, 715129, 812331, 1578681, 1916109, 2145387, 2436993, 4736043, 6436161, 9296677, 19308483, 27890031, 83670093, 251010279]

約数ペア:

[(1, 251010279), (3, 83670093), (9, 27890031), (13, 19308483), (27, 9296677), (39, 6436161), (53, 4736043), (103, 2436993), (117, 2145387), (131, 1916109), (159, 1578681), (309, 812331), (351, 715129), (393, 638703), (477, 526227), (689, 364311), (927, 270777), (1179, 212901), (1339, 187461), (1431, 175409), (1703, 147393), (2067, 121437), (2781, 90259), (3537, 70967), (4017, 62487), (5109, 49131), (5459, 45981), (6201, 40479), (6943, 36153), (12051, 20829), (13493, 18603), (15327, 16377)]