211752009

素因数分解:

$3^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2339}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 359424000

約数和(自身を除く): 147671991

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 479, 1437, 2339, 3353, 4311, 7017, 10059, 12933, 16373, 21051, 30177, 49119, 63153, 90531, 147357, 442071, 1120381, 3361143, 7842667, 10083429, 23528001, 30250287, 70584003, 211752009]

約数ペア:

[(1, 211752009), (3, 70584003), (7, 30250287), (9, 23528001), (21, 10083429), (27, 7842667), (63, 3361143), (189, 1120381), (479, 442071), (1437, 147357), (2339, 90531), (3353, 63153), (4311, 49119), (7017, 30177), (10059, 21051), (12933, 16373)]