331318917

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{131947}}^1$

素因数の和:131990

約数の個数: 20

約数和(自身を含む): 510902656

約数和(自身を除く): 179583739

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 131947, 395841, 1187523, 3562569, 4090357, 10687707, 12271071, 36813213, 110439639, 331318917]

約数ペア:

[(1, 331318917), (3, 110439639), (9, 36813213), (27, 12271071), (31, 10687707), (81, 4090357), (93, 3562569), (279, 1187523), (837, 395841), (2511, 131947)]