78921065559

素因数分解:

$3^1\times 7^2\times {\mathrm{1721}}^1\times {\mathrm{311957}}^1$

素因数の和:313695

約数の個数: 24

約数和(自身を含む): 122479702128

約数和(自身を除く): 43558636569

約数列:

[1, 3, 7, 21, 49, 147, 1721, 5163, 12047, 36141, 84329, 252987, 311957, 935871, 2183699, 6551097, 15285893, 45857679, 536877997, 1610633991, 3758145979, 11274437937, 26307021853, 78921065559]

約数ペア:

[(1, 78921065559), (3, 26307021853), (7, 11274437937), (21, 3758145979), (49, 1610633991), (147, 536877997), (1721, 45857679), (5163, 15285893), (12047, 6551097), (36141, 2183699), (84329, 935871), (252987, 311957)]