3971389137

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{2131}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 5665320960

約数和(自身を除く): 1693931823

約数列:

[1, 3, 29, 31, 87, 93, 691, 899, 2073, 2131, 2697, 6393, 20039, 21421, 60117, 61799, 64263, 66061, 185397, 198183, 621209, 1472521, 1863627, 1915769, 4417563, 5747307, 42703109, 45648151, 128109327, 136944453, 1323796379, 3971389137]

約数ペア:

[(1, 3971389137), (3, 1323796379), (29, 136944453), (31, 128109327), (87, 45648151), (93, 42703109), (691, 5747307), (899, 4417563), (2073, 1915769), (2131, 1863627), (2697, 1472521), (6393, 621209), (20039, 198183), (21421, 185397), (60117, 66061), (61799, 64263)]