2019905793

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1087}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 3128426496

約数和(自身を除く): 1108520703

約数列:

[1, 3, 9, 23, 47, 69, 141, 191, 207, 423, 573, 1081, 1087, 1719, 3243, 3261, 4393, 8977, 9729, 9783, 13179, 25001, 26931, 39537, 51089, 75003, 80793, 153267, 206471, 207617, 225009, 459801, 619413, 622851, 1175047, 1858239, 1868553, 3525141, 4775191, 9757999, 10575423, 14325573, 29273997, 42976719, 87821991, 224433977, 673301931, 2019905793]

約数ペア:

[(1, 2019905793), (3, 673301931), (9, 224433977), (23, 87821991), (47, 42976719), (69, 29273997), (141, 14325573), (191, 10575423), (207, 9757999), (423, 4775191), (573, 3525141), (1081, 1868553), (1087, 1858239), (1719, 1175047), (3243, 622851), (3261, 619413), (4393, 459801), (8977, 225009), (9729, 207617), (9783, 206471), (13179, 153267), (25001, 80793), (26931, 75003), (39537, 51089)]