78140223

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53927}}^1$

素因数の和:53963

約数の個数: 24

約数和(自身を含む): 134604288

約数和(自身を除く): 56464065

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 53927, 161781, 377489, 485343, 1132467, 1240321, 3397401, 3720963, 8682247, 11162889, 26046741, 78140223]

約数ペア:

[(1, 78140223), (3, 26046741), (7, 11162889), (9, 8682247), (21, 3720963), (23, 3397401), (63, 1240321), (69, 1132467), (161, 485343), (207, 377489), (483, 161781), (1449, 53927)]