2745765

素因数分解:

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

素因数の和:111

約数の個数: 48

約数和(自身を含む): 5451840

約数和(自身を除く): 2706075

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 99, 129, 135, 165, 215, 297, 387, 473, 495, 645, 1161, 1419, 1485, 1849, 1935, 2365, 4257, 5547, 5805, 7095, 9245, 12771, 16641, 20339, 21285, 27735, 49923, 61017, 63855, 83205, 101695, 183051, 249615, 305085, 549153, 915255, 2745765]

約数ペア:

[(1, 2745765), (3, 915255), (5, 549153), (9, 305085), (11, 249615), (15, 183051), (27, 101695), (33, 83205), (43, 63855), (45, 61017), (55, 49923), (99, 27735), (129, 21285), (135, 20339), (165, 16641), (215, 12771), (297, 9245), (387, 7095), (473, 5805), (495, 5547), (645, 4257), (1161, 2365), (1419, 1935), (1485, 1849)]