1305200187

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1\times {\mathrm{7237}}^1$

素因数の和:7963

約数の個数: 24

約数和(自身を含む): 1953391440

約数和(自身を除く): 648191253

約数列:

[1, 3, 9, 29, 87, 261, 691, 2073, 6219, 7237, 20039, 21711, 60117, 65133, 180351, 209873, 629619, 1888857, 5000767, 15002301, 45006903, 145022243, 435066729, 1305200187]

約数ペア:

[(1, 1305200187), (3, 435066729), (9, 145022243), (29, 45006903), (87, 15002301), (261, 5000767), (691, 1888857), (2073, 629619), (6219, 209873), (7237, 180351), (20039, 65133), (21711, 60117)]