2021847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 2880000

約数和(自身を除く): 858153

約数列:

[1, 3, 19, 57, 79, 237, 449, 1347, 1501, 4503, 8531, 25593, 35471, 106413, 673949, 2021847]

約数ペア:

[(1, 2021847), (3, 673949), (19, 106413), (57, 35471), (79, 25593), (237, 8531), (449, 4503), (1347, 1501)]