18164025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 36560160

約数和(自身を除く): 18396135

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 179, 205, 225, 275, 369, 451, 495, 537, 615, 825, 895, 1025, 1353, 1611, 1845, 1969, 2255, 2475, 2685, 3075, 4059, 4475, 5907, 6765, 7339, 8055, 9225, 9845, 11275, 13425, 17721, 20295, 22017, 29535, 33825, 36695, 40275, 49225, 66051, 80729, 88605, 101475, 110085, 147675, 183475, 242187, 330255, 403645, 443025, 550425, 726561, 1210935, 1651275, 2018225, 3632805, 6054675, 18164025]

約数ペア:

[(1, 18164025), (3, 6054675), (5, 3632805), (9, 2018225), (11, 1651275), (15, 1210935), (25, 726561), (33, 550425), (41, 443025), (45, 403645), (55, 330255), (75, 242187), (99, 183475), (123, 147675), (165, 110085), (179, 101475), (205, 88605), (225, 80729), (275, 66051), (369, 49225), (451, 40275), (495, 36695), (537, 33825), (615, 29535), (825, 22017), (895, 20295), (1025, 17721), (1353, 13425), (1611, 11275), (1845, 9845), (1969, 9225), (2255, 8055), (2475, 7339), (2685, 6765), (3075, 5907), (4059, 4475)]