71217495

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4027}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 127607040

約数和(自身を除く): 56389545

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 4027, 5895, 12081, 17685, 20135, 36243, 60405, 108729, 181215, 527537, 543645, 1582611, 2637685, 4747833, 7913055, 14243499, 23739165, 71217495]

約数ペア:

[(1, 71217495), (3, 23739165), (5, 14243499), (9, 7913055), (15, 4747833), (27, 2637685), (45, 1582611), (131, 543645), (135, 527537), (393, 181215), (655, 108729), (1179, 60405), (1965, 36243), (3537, 20135), (4027, 17685), (5895, 12081)]