81299545

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{3889}}^1$

素因数の和:4044

約数の個数: 16

約数和(自身を含む): 101108880

約数和(自身を除く): 19809335

約数列:

[1, 5, 37, 113, 185, 565, 3889, 4181, 19445, 20905, 143893, 439457, 719465, 2197285, 16259909, 81299545]

約数ペア:

[(1, 81299545), (5, 16259909), (37, 2197285), (113, 719465), (185, 439457), (565, 143893), (3889, 20905), (4181, 19445)]