1997322561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{20347}}^1$

素因数の和:21205

約数の個数: 24

約数和(自身を含む): 3110802240

約数和(自身を除く): 1113479679

約数列:

[1, 3, 9, 13, 39, 117, 839, 2517, 7551, 10907, 20347, 32721, 61041, 98163, 183123, 264511, 793533, 2380599, 17071133, 51213399, 153640197, 221924729, 665774187, 1997322561]

約数ペア:

[(1, 1997322561), (3, 665774187), (9, 221924729), (13, 153640197), (39, 51213399), (117, 17071133), (839, 2380599), (2517, 793533), (7551, 264511), (10907, 183123), (20347, 98163), (32721, 61041)]