217156789719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{76091}}^1$

素因数の和:76948

約数の個数: 48

約数和(自身を含む): 346994129664

約数和(自身を除く): 129837339945

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 811, 1173, 2433, 3519, 7299, 13787, 18653, 41361, 55959, 76091, 124083, 167877, 228273, 317101, 684819, 951303, 1293547, 1750093, 2853909, 3880641, 5250279, 11641923, 15750837, 29751581, 61709801, 89254743, 185129403, 267764229, 555388209, 1049066617, 1419325423, 3147199851, 4257976269, 9441599553, 12773928807, 24128532191, 72385596573, 217156789719]

約数ペア:

[(1, 217156789719), (3, 72385596573), (9, 24128532191), (17, 12773928807), (23, 9441599553), (51, 4257976269), (69, 3147199851), (153, 1419325423), (207, 1049066617), (391, 555388209), (811, 267764229), (1173, 185129403), (2433, 89254743), (3519, 61709801), (7299, 29751581), (13787, 15750837), (18653, 11641923), (41361, 5250279), (55959, 3880641), (76091, 2853909), (124083, 1750093), (167877, 1293547), (228273, 951303), (317101, 684819)]