1997139939

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{352043}}^1$

素因数の和:352138

約数の個数: 16

約数和(自身を含む): 2793821184

約数和(自身を除く): 796681245

約数列:

[1, 3, 31, 61, 93, 183, 1891, 5673, 352043, 1056129, 10913333, 21474623, 32739999, 64423869, 665713313, 1997139939]

約数ペア:

[(1, 1997139939), (3, 665713313), (31, 64423869), (61, 32739999), (93, 21474623), (183, 10913333), (1891, 1056129), (5673, 352043)]