87321825

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{4001}}^1$

素因数の和:4114

約数の個数: 36

約数和(自身を含む): 158054988

約数和(自身を除く): 70733163

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1455, 2425, 4001, 4365, 7275, 12003, 20005, 21825, 36009, 60015, 100025, 180045, 300075, 388097, 900225, 1164291, 1940485, 3492873, 5821455, 9702425, 17464365, 29107275, 87321825]

約数ペア:

[(1, 87321825), (3, 29107275), (5, 17464365), (9, 9702425), (15, 5821455), (25, 3492873), (45, 1940485), (75, 1164291), (97, 900225), (225, 388097), (291, 300075), (485, 180045), (873, 100025), (1455, 60015), (2425, 36009), (4001, 21825), (4365, 20005), (7275, 12003)]