289489431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^3\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 507985920

約数和(自身を除く): 218496489

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 103, 161, 231, 253, 309, 483, 529, 721, 759, 1133, 1587, 1771, 2163, 2369, 3399, 3703, 5313, 5819, 7107, 7931, 11109, 12167, 16583, 17457, 23793, 26059, 36501, 40733, 49749, 54487, 78177, 85169, 122199, 133837, 163461, 182413, 255507, 381409, 401511, 547239, 599357, 936859, 1144227, 1253201, 1798071, 2810577, 3759603, 4195499, 8772407, 12586497, 13785211, 26317221, 41355633, 96496477, 289489431]

約数ペア:

[(1, 289489431), (3, 96496477), (7, 41355633), (11, 26317221), (21, 13785211), (23, 12586497), (33, 8772407), (69, 4195499), (77, 3759603), (103, 2810577), (161, 1798071), (231, 1253201), (253, 1144227), (309, 936859), (483, 599357), (529, 547239), (721, 401511), (759, 381409), (1133, 255507), (1587, 182413), (1771, 163461), (2163, 133837), (2369, 122199), (3399, 85169), (3703, 78177), (5313, 54487), (5819, 49749), (7107, 40733), (7931, 36501), (11109, 26059), (12167, 23793), (16583, 17457)]