2220249993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{128509}}^1$

素因数の和:128968

約数の個数: 16

約数和(自身を含む): 3195272640

約数和(自身を除く): 975022647

約数列:

[1, 3, 13, 39, 443, 1329, 5759, 17277, 128509, 385527, 1670617, 5011851, 56929487, 170788461, 740083331, 2220249993]

約数ペア:

[(1, 2220249993), (3, 740083331), (13, 170788461), (39, 56929487), (443, 5011851), (1329, 1670617), (5759, 385527), (17277, 128509)]