31231863

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1543}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 48895392

約数和(自身を除く): 17663529

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1543, 1557, 2249, 4629, 6747, 13887, 20059, 20241, 60177, 180531, 266939, 800817, 2402451, 3470207, 10410621, 31231863]

約数ペア:

[(1, 31231863), (3, 10410621), (9, 3470207), (13, 2402451), (39, 800817), (117, 266939), (173, 180531), (519, 60177), (1543, 20241), (1557, 20059), (2249, 13887), (4629, 6747)]