64905489

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19867}}^1$

素因数の和:19898

約数の個数: 24

約数和(自身を含む): 105697760

約数和(自身を除く): 40792271

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 19867, 59601, 178803, 218537, 536409, 655611, 1966833, 2403907, 5900499, 7211721, 21635163, 64905489]

約数ペア:

[(1, 64905489), (3, 21635163), (9, 7211721), (11, 5900499), (27, 2403907), (33, 1966833), (99, 655611), (121, 536409), (297, 218537), (363, 178803), (1089, 59601), (3267, 19867)]