51123195

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16001}}^1$

素因数の和:16083

約数の個数: 24

約数和(自身を含む): 89867232

約数和(自身を除く): 38744037

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 16001, 48003, 80005, 144009, 240015, 720045, 1136071, 3408213, 5680355, 10224639, 17041065, 51123195]

約数ペア:

[(1, 51123195), (3, 17041065), (5, 10224639), (9, 5680355), (15, 3408213), (45, 1136071), (71, 720045), (213, 240015), (355, 144009), (639, 80005), (1065, 48003), (3195, 16001)]