2405205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 4694976

約数和(自身を除く): 2289771

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 113, 129, 165, 215, 339, 387, 473, 495, 565, 645, 1017, 1243, 1419, 1695, 1935, 2365, 3729, 4257, 4859, 5085, 6215, 7095, 11187, 14577, 18645, 21285, 24295, 43731, 53449, 55935, 72885, 160347, 218655, 267245, 481041, 801735, 2405205]

約数ペア:

[(1, 2405205), (3, 801735), (5, 481041), (9, 267245), (11, 218655), (15, 160347), (33, 72885), (43, 55935), (45, 53449), (55, 43731), (99, 24295), (113, 21285), (129, 18645), (165, 14577), (215, 11187), (339, 7095), (387, 6215), (473, 5085), (495, 4859), (565, 4257), (645, 3729), (1017, 2365), (1243, 1935), (1419, 1695)]