205425369

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3478

約数の個数: 32

約数和(自身を含む): 317777280

約数和(自身を除く): 112351911

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 333, 549, 999, 1647, 2257, 3371, 6771, 10113, 20313, 30339, 60939, 91017, 124727, 205631, 374181, 616893, 1122543, 1850679, 3367629, 5552037, 7608347, 22825041, 68475123, 205425369]

約数ペア:

[(1, 205425369), (3, 68475123), (9, 22825041), (27, 7608347), (37, 5552037), (61, 3367629), (111, 1850679), (183, 1122543), (333, 616893), (549, 374181), (999, 205631), (1647, 124727), (2257, 91017), (3371, 60939), (6771, 30339), (10113, 20313)]