51990069

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 76170240

約数和(自身を除く): 24180171

約数列:

[1, 3, 29, 31, 37, 87, 93, 111, 521, 899, 1073, 1147, 1563, 2697, 3219, 3441, 15109, 16151, 19277, 33263, 45327, 48453, 57831, 99789, 468379, 559033, 597587, 1405137, 1677099, 1792761, 17330023, 51990069]

約数ペア:

[(1, 51990069), (3, 17330023), (29, 1792761), (31, 1677099), (37, 1405137), (87, 597587), (93, 559033), (111, 468379), (521, 99789), (899, 57831), (1073, 48453), (1147, 45327), (1563, 33263), (2697, 19277), (3219, 16151), (3441, 15109)]