1990131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4666

約数の個数: 16

約数和(自身を含む): 3118080

約数和(自身を除く): 1127949

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 4639, 13917, 51029, 60307, 153087, 180921, 663377, 1990131]

約数ペア:

[(1, 1990131), (3, 663377), (11, 180921), (13, 153087), (33, 60307), (39, 51029), (143, 13917), (429, 4639)]