668877111

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1433}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 1145364480

約数和(自身を除く): 476487369

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 239, 279, 651, 717, 1433, 1673, 1953, 2151, 4299, 5019, 7409, 10031, 12897, 15057, 22227, 30093, 44423, 51863, 66681, 90279, 133269, 155589, 310961, 342487, 399807, 466767, 932883, 1027461, 2397409, 2798649, 3082383, 7192227, 10617097, 21576681, 31851291, 74319679, 95553873, 222959037, 668877111]

約数ペア:

[(1, 668877111), (3, 222959037), (7, 95553873), (9, 74319679), (21, 31851291), (31, 21576681), (63, 10617097), (93, 7192227), (217, 3082383), (239, 2798649), (279, 2397409), (651, 1027461), (717, 932883), (1433, 466767), (1673, 399807), (1953, 342487), (2151, 310961), (4299, 155589), (5019, 133269), (7409, 90279), (10031, 66681), (12897, 51863), (15057, 44423), (22227, 30093)]