1999893434643

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1899234031}}^1$

素因数の和:1899234056

約数の個数: 20

約数和(自身を含む): 3217302450208

約数和(自身を除く): 1217409015565

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1899234031, 5697702093, 17093106279, 24690042403, 51279318837, 74070127209, 153837956511, 222210381627, 666631144881, 1999893434643]

約数ペア:

[(1, 1999893434643), (3, 666631144881), (9, 222210381627), (13, 153837956511), (27, 74070127209), (39, 51279318837), (81, 24690042403), (117, 17093106279), (351, 5697702093), (1053, 1899234031)]