28550205

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2677}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 51417600

約数和(自身を除く): 22867395

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2677, 3555, 8031, 10665, 13385, 24093, 40155, 72279, 120465, 211483, 361395, 634449, 1057415, 1903347, 3172245, 5710041, 9516735, 28550205]

約数ペア:

[(1, 28550205), (3, 9516735), (5, 5710041), (9, 3172245), (15, 1903347), (27, 1057415), (45, 634449), (79, 361395), (135, 211483), (237, 120465), (395, 72279), (711, 40155), (1185, 24093), (2133, 13385), (2677, 10665), (3555, 8031)]