808885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 1225728

約数和(自身を除く): 416843

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 191, 385, 605, 847, 955, 1337, 2101, 4235, 6685, 10505, 14707, 23111, 73535, 115555, 161777, 808885]

約数ペア:

[(1, 808885), (5, 161777), (7, 115555), (11, 73535), (35, 23111), (55, 14707), (77, 10505), (121, 6685), (191, 4235), (385, 2101), (605, 1337), (847, 955)]