81409926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1973}}^1$

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 183392496

約数和(自身を除く): 101982570

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 529, 598, 897, 1058, 1587, 1794, 1973, 3174, 3946, 5919, 6877, 11838, 13754, 20631, 25649, 41262, 45379, 51298, 76947, 90758, 136137, 153894, 272274, 589927, 1043717, 1179854, 1769781, 2087434, 3131151, 3539562, 6262302, 13568321, 27136642, 40704963, 81409926]

約数ペア:

[(1, 81409926), (2, 40704963), (3, 27136642), (6, 13568321), (13, 6262302), (23, 3539562), (26, 3131151), (39, 2087434), (46, 1769781), (69, 1179854), (78, 1043717), (138, 589927), (299, 272274), (529, 153894), (598, 136137), (897, 90758), (1058, 76947), (1587, 51298), (1794, 45379), (1973, 41262), (3174, 25649), (3946, 20631), (5919, 13754), (6877, 11838)]