259245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{823}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 514176

約数和(自身を除く): 254931

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 823, 2469, 4115, 5761, 7407, 12345, 17283, 28805, 37035, 51849, 86415, 259245]

約数ペア:

[(1, 259245), (3, 86415), (5, 51849), (7, 37035), (9, 28805), (15, 17283), (21, 12345), (35, 7407), (45, 5761), (63, 4115), (105, 2469), (315, 823)]