28485891

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6553}}^1$

素因数の和:6592

約数の個数: 32

約数和(自身を含む): 50334720

約数和(自身を除く): 21848829

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 6553, 19659, 45871, 58977, 137613, 150719, 176931, 412839, 452157, 1055033, 1238517, 1356471, 3165099, 4069413, 9495297, 28485891]

約数ペア:

[(1, 28485891), (3, 9495297), (7, 4069413), (9, 3165099), (21, 1356471), (23, 1238517), (27, 1055033), (63, 452157), (69, 412839), (161, 176931), (189, 150719), (207, 137613), (483, 58977), (621, 45871), (1449, 19659), (4347, 6553)]