201043921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 252979200

約数和(自身を除く): 51935279

約数列:

[1, 13, 17, 19, 29, 127, 169, 221, 247, 323, 377, 493, 551, 1651, 2159, 2413, 2873, 3211, 3683, 4199, 4901, 6409, 7163, 9367, 21463, 28067, 31369, 41021, 47879, 54587, 62611, 69977, 83317, 93119, 121771, 364871, 407797, 533273, 622427, 813943, 909701, 1189609, 1583023, 6932549, 10581259, 11826113, 15464917, 201043921]

約数ペア:

[(1, 201043921), (13, 15464917), (17, 11826113), (19, 10581259), (29, 6932549), (127, 1583023), (169, 1189609), (221, 909701), (247, 813943), (323, 622427), (377, 533273), (493, 407797), (551, 364871), (1651, 121771), (2159, 93119), (2413, 83317), (2873, 69977), (3211, 62611), (3683, 54587), (4199, 47879), (4901, 41021), (6409, 31369), (7163, 28067), (9367, 21463)]