217874877

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 323136000

約数和(自身を除く): 105261123

約数列:

[1, 3, 11, 33, 101, 131, 303, 393, 499, 1111, 1441, 1497, 3333, 4323, 5489, 13231, 16467, 39693, 50399, 65369, 145541, 151197, 196107, 436623, 554389, 719059, 1663167, 2157177, 6602269, 19806807, 72624959, 217874877]

約数ペア:

[(1, 217874877), (3, 72624959), (11, 19806807), (33, 6602269), (101, 2157177), (131, 1663167), (303, 719059), (393, 554389), (499, 436623), (1111, 196107), (1441, 151197), (1497, 145541), (3333, 65369), (4323, 50399), (5489, 39693), (13231, 16467)]