61778529

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2003}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 93787200

約数和(自身を除く): 32008671

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 1341, 2003, 3427, 6009, 10281, 18027, 30843, 46069, 138207, 298447, 414621, 895341, 2686023, 6864281, 20592843, 61778529]

約数ペア:

[(1, 61778529), (3, 20592843), (9, 6864281), (23, 2686023), (69, 895341), (149, 414621), (207, 298447), (447, 138207), (1341, 46069), (2003, 30843), (3427, 18027), (6009, 10281)]