909187815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{20117}}^1$

素因数の和:20279

約数の個数: 32

約数和(自身を含む): 1529611776

約数和(自身を除く): 620423961

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 655, 1965, 3013, 9039, 15065, 20117, 45195, 60351, 100585, 301755, 462691, 1388073, 2313455, 2635327, 6940365, 7905981, 13176635, 39529905, 60612521, 181837563, 303062605, 909187815]

約数ペア:

[(1, 909187815), (3, 303062605), (5, 181837563), (15, 60612521), (23, 39529905), (69, 13176635), (115, 7905981), (131, 6940365), (345, 2635327), (393, 2313455), (655, 1388073), (1965, 462691), (3013, 301755), (9039, 100585), (15065, 60351), (20117, 45195)]