57905721

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 87165000

約数和(自身を除く): 29259279

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 1341, 1489, 4321, 4467, 12963, 13401, 38889, 43181, 129543, 221861, 388629, 665583, 1996749, 6433969, 19301907, 57905721]

約数ペア:

[(1, 57905721), (3, 19301907), (9, 6433969), (29, 1996749), (87, 665583), (149, 388629), (261, 221861), (447, 129543), (1341, 43181), (1489, 38889), (4321, 13401), (4467, 12963)]