12686949

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 21431520

約数和(自身を除く): 8744571

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 491, 783, 891, 957, 1473, 2349, 2871, 4419, 5401, 8613, 13257, 14239, 16203, 25839, 39771, 42717, 48609, 128151, 145827, 156629, 384453, 437481, 469887, 1153359, 1409661, 4228983, 12686949]

約数ペア:

[(1, 12686949), (3, 4228983), (9, 1409661), (11, 1153359), (27, 469887), (29, 437481), (33, 384453), (81, 156629), (87, 145827), (99, 128151), (261, 48609), (297, 42717), (319, 39771), (491, 25839), (783, 16203), (891, 14239), (957, 13257), (1473, 8613), (2349, 5401), (2871, 4419)]