684865881

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{37357}}^1$

素因数の和:37470

約数の個数: 32

約数和(自身を含む): 1171546880

約数和(自身を除く): 486680999

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 2037, 2619, 6111, 18333, 37357, 112071, 261499, 336213, 784497, 1008639, 2353491, 3623629, 7060473, 10870887, 25365403, 32612661, 76096209, 97837983, 228288627, 684865881]

約数ペア:

[(1, 684865881), (3, 228288627), (7, 97837983), (9, 76096209), (21, 32612661), (27, 25365403), (63, 10870887), (97, 7060473), (189, 3623629), (291, 2353491), (679, 1008639), (873, 784497), (2037, 336213), (2619, 261499), (6111, 112071), (18333, 37357)]