221190837

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 359907840

約数和(自身を除く): 138717003

約数列:

[1, 3, 7, 19, 21, 57, 133, 163, 179, 361, 399, 489, 537, 1083, 1141, 1253, 2527, 3097, 3401, 3423, 3759, 7581, 9291, 10203, 21679, 23807, 29177, 58843, 64619, 65037, 71421, 87531, 176529, 193857, 204239, 411901, 452333, 554363, 612717, 1235703, 1356999, 1663089, 3880541, 10532897, 11641623, 31598691, 73730279, 221190837]

約数ペア:

[(1, 221190837), (3, 73730279), (7, 31598691), (19, 11641623), (21, 10532897), (57, 3880541), (133, 1663089), (163, 1356999), (179, 1235703), (361, 612717), (399, 554363), (489, 452333), (537, 411901), (1083, 204239), (1141, 193857), (1253, 176529), (2527, 87531), (3097, 71421), (3401, 65037), (3423, 64619), (3759, 58843), (7581, 29177), (9291, 23807), (10203, 21679)]