201380991

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3727}}^1$

素因数の和:3851

約数の個数: 32

約数和(自身を含む): 320667648

約数和(自身を除く): 119286657

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 1743, 2573, 3727, 7719, 11181, 18011, 26089, 54033, 78267, 115537, 309341, 346611, 808759, 928023, 2165387, 2426277, 6496161, 9589571, 28768713, 67126997, 201380991]

約数ペア:

[(1, 201380991), (3, 67126997), (7, 28768713), (21, 9589571), (31, 6496161), (83, 2426277), (93, 2165387), (217, 928023), (249, 808759), (581, 346611), (651, 309341), (1743, 115537), (2573, 78267), (3727, 54033), (7719, 26089), (11181, 18011)]