1139905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 1581120

約数和(自身を除く): 441215

約数列:

[1, 5, 13, 19, 65, 71, 95, 169, 247, 355, 845, 923, 1235, 1349, 3211, 4615, 6745, 11999, 16055, 17537, 59995, 87685, 227981, 1139905]

約数ペア:

[(1, 1139905), (5, 227981), (13, 87685), (19, 59995), (65, 17537), (71, 16055), (95, 11999), (169, 6745), (247, 4615), (355, 3211), (845, 1349), (923, 1235)]