281556639

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{14947}}^1$

素因数の和:14996

約数の個数: 48

約数和(自身を含む): 522342912

約数和(自身を除く): 240786273

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 14947, 18837, 44841, 104629, 134523, 194311, 313887, 343781, 582933, 941661, 1031343, 1360177, 1748799, 2406467, 3094029, 4080531, 4469153, 7219401, 12241593, 13407459, 21658203, 31284071, 40222377, 93852213, 281556639]

約数ペア:

[(1, 281556639), (3, 93852213), (7, 40222377), (9, 31284071), (13, 21658203), (21, 13407459), (23, 12241593), (39, 7219401), (63, 4469153), (69, 4080531), (91, 3094029), (117, 2406467), (161, 1748799), (207, 1360177), (273, 1031343), (299, 941661), (483, 582933), (819, 343781), (897, 313887), (1449, 194311), (2093, 134523), (2691, 104629), (6279, 44841), (14947, 18837)]