233121

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 376704

約数和(自身を除く): 143583

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 653, 1959, 4571, 11101, 13713, 33303, 77707, 233121]

約数ペア:

[(1, 233121), (3, 77707), (7, 33303), (17, 13713), (21, 11101), (51, 4571), (119, 1959), (357, 653)]