123795

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 253440

約数和(自身を除く): 129645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 131, 135, 189, 315, 393, 655, 917, 945, 1179, 1965, 2751, 3537, 4585, 5895, 8253, 13755, 17685, 24759, 41265, 123795]

約数ペア:

[(1, 123795), (3, 41265), (5, 24759), (7, 17685), (9, 13755), (15, 8253), (21, 5895), (27, 4585), (35, 3537), (45, 2751), (63, 1965), (105, 1179), (131, 945), (135, 917), (189, 655), (315, 393)]