90285515

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 110641440

約数和(自身を除く): 20355925

約数列:

[1, 5, 67, 181, 335, 905, 1489, 7445, 12127, 60635, 99763, 269509, 498815, 1347545, 18057103, 90285515]

約数ペア:

[(1, 90285515), (5, 18057103), (67, 1347545), (181, 498815), (335, 269509), (905, 99763), (1489, 60635), (7445, 12127)]