28421169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 47987712

約数和(自身を除く): 19566543

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 163, 361, 399, 437, 483, 489, 1083, 1141, 1311, 2527, 3059, 3097, 3423, 3749, 7581, 8303, 9177, 9291, 11247, 21679, 24909, 26243, 58121, 58843, 65037, 71231, 78729, 174363, 176529, 213693, 411901, 498617, 1235703, 1353389, 1495851, 4060167, 9473723, 28421169]

約数ペア:

[(1, 28421169), (3, 9473723), (7, 4060167), (19, 1495851), (21, 1353389), (23, 1235703), (57, 498617), (69, 411901), (133, 213693), (161, 176529), (163, 174363), (361, 78729), (399, 71231), (437, 65037), (483, 58843), (489, 58121), (1083, 26243), (1141, 24909), (1311, 21679), (2527, 11247), (3059, 9291), (3097, 9177), (3423, 8303), (3749, 7581)]