99840519

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{18397}}^1$

素因数の和:18476

約数の個数: 20

約数和(自身を含む): 151378744

約数和(自身を除く): 51538225

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 18397, 55191, 165573, 496719, 1232599, 1490157, 3697797, 11093391, 33280173, 99840519]

約数ペア:

[(1, 99840519), (3, 33280173), (9, 11093391), (27, 3697797), (67, 1490157), (81, 1232599), (201, 496719), (603, 165573), (1809, 55191), (5427, 18397)]