2121681

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2991744

約数和(自身を除く): 870063

約数列:

[1, 3, 23, 69, 97, 291, 317, 951, 2231, 6693, 7291, 21873, 30749, 92247, 707227, 2121681]

約数ペア:

[(1, 2121681), (3, 707227), (23, 92247), (69, 30749), (97, 21873), (291, 7291), (317, 6693), (951, 2231)]