81503605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{1409}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 102332160

約数和(自身を除く): 20828555

約数列:

[1, 5, 23, 115, 503, 1409, 2515, 7045, 11569, 32407, 57845, 162035, 708727, 3543635, 16300721, 81503605]

約数ペア:

[(1, 81503605), (5, 16300721), (23, 3543635), (115, 708727), (503, 162035), (1409, 57845), (2515, 32407), (7045, 11569)]