258578163

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 420441120

約数和(自身を除く): 161862957

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 239, 333, 361, 513, 703, 717, 999, 1083, 1539, 2109, 2151, 2997, 3249, 4541, 6327, 6453, 8843, 9747, 13357, 13623, 18981, 19359, 26529, 29241, 40071, 40869, 56943, 79587, 86279, 120213, 122607, 168017, 238761, 258837, 360639, 367821, 504051, 716283, 776511, 1081917, 1512153, 2329533, 3192323, 4536459, 6988599, 9576969, 13609377, 28730907, 86192721, 258578163]

約数ペア:

[(1, 258578163), (3, 86192721), (9, 28730907), (19, 13609377), (27, 9576969), (37, 6988599), (57, 4536459), (81, 3192323), (111, 2329533), (171, 1512153), (239, 1081917), (333, 776511), (361, 716283), (513, 504051), (703, 367821), (717, 360639), (999, 258837), (1083, 238761), (1539, 168017), (2109, 122607), (2151, 120213), (2997, 86279), (3249, 79587), (4541, 56943), (6327, 40869), (6453, 40071), (8843, 29241), (9747, 26529), (13357, 19359), (13623, 18981)]