215141771

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{941}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 237911520

約数和(自身を除く): 22769749

約数列:

[1, 13, 43, 409, 559, 941, 5317, 12233, 17587, 40463, 228631, 384869, 526019, 5003297, 16549367, 215141771]

約数ペア:

[(1, 215141771), (13, 16549367), (43, 5003297), (409, 526019), (559, 384869), (941, 228631), (5317, 40463), (12233, 17587)]