2211975

素因数分解:

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

素因数の和:161

約数の個数: 48

約数和(自身を含む): 4240800

約数和(自身を除く): 2028825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 113, 135, 145, 225, 261, 339, 435, 565, 675, 725, 783, 1017, 1305, 1695, 2175, 2825, 3051, 3277, 3915, 5085, 6525, 8475, 9831, 15255, 16385, 19575, 25425, 29493, 49155, 76275, 81925, 88479, 147465, 245775, 442395, 737325, 2211975]

約数ペア:

[(1, 2211975), (3, 737325), (5, 442395), (9, 245775), (15, 147465), (25, 88479), (27, 81925), (29, 76275), (45, 49155), (75, 29493), (87, 25425), (113, 19575), (135, 16385), (145, 15255), (225, 9831), (261, 8475), (339, 6525), (435, 5085), (565, 3915), (675, 3277), (725, 3051), (783, 2825), (1017, 2175), (1305, 1695)]