1661531019

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{80747}}^1$

素因数の和:80807

約数の個数: 16

約数和(自身を含む): 2338462080

約数和(自身を除く): 676931061

約数列:

[1, 3, 19, 57, 361, 1083, 6859, 20577, 80747, 242241, 1534193, 4602579, 29149667, 87449001, 553843673, 1661531019]

約数ペア:

[(1, 1661531019), (3, 553843673), (19, 87449001), (57, 29149667), (361, 4602579), (1083, 1534193), (6859, 242241), (20577, 80747)]