2019911445

素因数分解:

$3^3\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{6263}}^1$

素因数の和:8666

約数の個数: 32

約数和(自身を含む): 3593030400

約数和(自身を除く): 1573118955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2389, 6263, 7167, 11945, 18789, 21501, 31315, 35835, 56367, 64503, 93945, 107505, 169101, 281835, 322515, 845505, 14962307, 44886921, 74811535, 134660763, 224434605, 403982289, 673303815, 2019911445]

約数ペア:

[(1, 2019911445), (3, 673303815), (5, 403982289), (9, 224434605), (15, 134660763), (27, 74811535), (45, 44886921), (135, 14962307), (2389, 845505), (6263, 322515), (7167, 281835), (11945, 169101), (18789, 107505), (21501, 93945), (31315, 64503), (35835, 56367)]