131490999

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 199584000

約数和(自身を除く): 68093001

約数列:

[1, 3, 9, 27, 59, 177, 197, 419, 531, 591, 1257, 1593, 1773, 3771, 5319, 11313, 11623, 24721, 34869, 74163, 82543, 104607, 222489, 247629, 313821, 667467, 742887, 2228661, 4870037, 14610111, 43830333, 131490999]

約数ペア:

[(1, 131490999), (3, 43830333), (9, 14610111), (27, 4870037), (59, 2228661), (177, 742887), (197, 667467), (419, 313821), (531, 247629), (591, 222489), (1257, 104607), (1593, 82543), (1773, 74163), (3771, 34869), (5319, 24721), (11313, 11623)]