1380921

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 1921920

約数和(自身を除く): 540999

約数列:

[1, 3, 41, 103, 109, 123, 309, 327, 4223, 4469, 11227, 12669, 13407, 33681, 460307, 1380921]

約数ペア:

[(1, 1380921), (3, 460307), (41, 33681), (103, 13407), (109, 12669), (123, 11227), (309, 4469), (327, 4223)]