208001025

素因数分解:

$3^2\times 5^2\times {\mathrm{571}}^1\times {\mathrm{1619}}^1$

素因数の和:2206

約数の個数: 36

約数和(自身を含む): 373435920

約数和(自身を除く): 165434895

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 571, 1619, 1713, 2855, 4857, 5139, 8095, 8565, 14275, 14571, 24285, 25695, 40475, 42825, 72855, 121425, 128475, 364275, 924449, 2773347, 4622245, 8320041, 13866735, 23111225, 41600205, 69333675, 208001025]

約数ペア:

[(1, 208001025), (3, 69333675), (5, 41600205), (9, 23111225), (15, 13866735), (25, 8320041), (45, 4622245), (75, 2773347), (225, 924449), (571, 364275), (1619, 128475), (1713, 121425), (2855, 72855), (4857, 42825), (5139, 40475), (8095, 25695), (8565, 24285), (14275, 14571)]