12771213

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 21986496

約数和(自身を除く): 9215283

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 163, 273, 287, 489, 533, 637, 861, 1141, 1599, 1911, 2009, 2119, 3423, 3731, 6027, 6357, 6683, 7987, 11193, 14833, 20049, 23961, 26117, 44499, 46781, 78351, 86879, 103831, 140343, 260637, 311493, 327467, 608153, 982401, 1824459, 4257071, 12771213]

約数ペア:

[(1, 12771213), (3, 4257071), (7, 1824459), (13, 982401), (21, 608153), (39, 327467), (41, 311493), (49, 260637), (91, 140343), (123, 103831), (147, 86879), (163, 78351), (273, 46781), (287, 44499), (489, 26117), (533, 23961), (637, 20049), (861, 14833), (1141, 11193), (1599, 7987), (1911, 6683), (2009, 6357), (2119, 6027), (3423, 3731)]