81271135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{5113}}^1$

素因数の和:5163

約数の個数: 24

約数和(自身を含む): 113039856

約数和(自身を除く): 31768721

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1445, 3179, 5113, 15895, 25565, 56243, 86921, 281215, 434605, 956131, 1477657, 4780655, 7388285, 16254227, 81271135]

約数ペア:

[(1, 81271135), (5, 16254227), (11, 7388285), (17, 4780655), (55, 1477657), (85, 956131), (187, 434605), (289, 281215), (935, 86921), (1445, 56243), (3179, 25565), (5113, 15895)]