168153915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 279562752

約数和(自身を除く): 111408837

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 3851, 8733, 11553, 14555, 19255, 43665, 57765, 157891, 273421, 473673, 789455, 820263, 1367105, 2368365, 4101315, 11210261, 33630783, 56051305, 168153915]

約数ペア:

[(1, 168153915), (3, 56051305), (5, 33630783), (15, 11210261), (41, 4101315), (71, 2368365), (123, 1367105), (205, 820263), (213, 789455), (355, 473673), (615, 273421), (1065, 157891), (2911, 57765), (3851, 43665), (8733, 19255), (11553, 14555)]