7278999

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:336

約数の個数: 36

約数和(自身を含む): 12266856

約数和(自身を除く): 4987857

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 293, 507, 637, 879, 1183, 1911, 2051, 3549, 3809, 6153, 8281, 11427, 14357, 24843, 26663, 43071, 49517, 79989, 148551, 186641, 346619, 559923, 1039857, 2426333, 7278999]

約数ペア:

[(1, 7278999), (3, 2426333), (7, 1039857), (13, 559923), (21, 346619), (39, 186641), (49, 148551), (91, 79989), (147, 49517), (169, 43071), (273, 26663), (293, 24843), (507, 14357), (637, 11427), (879, 8281), (1183, 6153), (1911, 3809), (2051, 3549)]