2506905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 4801680

約数和(自身を除く): 2294775

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 113, 145, 153, 255, 261, 339, 435, 493, 565, 765, 1017, 1305, 1479, 1695, 1921, 2465, 3277, 4437, 5085, 5763, 7395, 9605, 9831, 16385, 17289, 22185, 28815, 29493, 49155, 55709, 86445, 147465, 167127, 278545, 501381, 835635, 2506905]

約数ペア:

[(1, 2506905), (3, 835635), (5, 501381), (9, 278545), (15, 167127), (17, 147465), (29, 86445), (45, 55709), (51, 49155), (85, 29493), (87, 28815), (113, 22185), (145, 17289), (153, 16385), (255, 9831), (261, 9605), (339, 7395), (435, 5763), (493, 5085), (565, 4437), (765, 3277), (1017, 2465), (1305, 1921), (1479, 1695)]