213035991

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 332425728

約数和(自身を除く): 119389737

約数列:

[1, 3, 7, 21, 53, 159, 277, 371, 691, 831, 1113, 1939, 2073, 4837, 5817, 14511, 14681, 36623, 44043, 102767, 109869, 191407, 256361, 308301, 574221, 769083, 1339849, 4019547, 10144571, 30433713, 71011997, 213035991]

約数ペア:

[(1, 213035991), (3, 71011997), (7, 30433713), (21, 10144571), (53, 4019547), (159, 1339849), (277, 769083), (371, 574221), (691, 308301), (831, 256361), (1113, 191407), (1939, 109869), (2073, 102767), (4837, 44043), (5817, 36623), (14511, 14681)]