207181887

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19735

約数の個数: 24

約数和(自身を含む): 314124720

約数和(自身を除く): 106942833

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 3509, 10527, 19681, 59043, 216491, 570749, 649473, 1712247, 2381401, 6278239, 7144203, 18834717, 69060629, 207181887]

約数ペア:

[(1, 207181887), (3, 69060629), (11, 18834717), (29, 7144203), (33, 6278239), (87, 2381401), (121, 1712247), (319, 649473), (363, 570749), (957, 216491), (3509, 59043), (10527, 19681)]