201605091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 291610368

約数和(自身を除く): 90005277

約数列:

[1, 3, 17, 51, 83, 97, 249, 291, 491, 1411, 1473, 1649, 4233, 4947, 8051, 8347, 24153, 25041, 40753, 47627, 122259, 136867, 142881, 410601, 692801, 809659, 2078403, 2428977, 3953041, 11859123, 67201697, 201605091]

約数ペア:

[(1, 201605091), (3, 67201697), (17, 11859123), (51, 3953041), (83, 2428977), (97, 2078403), (249, 809659), (291, 692801), (491, 410601), (1411, 142881), (1473, 136867), (1649, 122259), (4233, 47627), (4947, 40753), (8051, 25041), (8347, 24153)]