2604639

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 3622784

約数和(自身を除く): 1018145

約数列:

[1, 3, 43, 61, 129, 183, 331, 993, 2623, 7869, 14233, 20191, 42699, 60573, 868213, 2604639]

約数ペア:

[(1, 2604639), (3, 868213), (43, 60573), (61, 42699), (129, 20191), (183, 14233), (331, 7869), (993, 2623)]