2009738025

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 3683436120

約数和(自身を除く): 1673698095

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 181, 183, 225, 305, 543, 549, 809, 905, 915, 1525, 1629, 2427, 2715, 2745, 4045, 4525, 4575, 7281, 8145, 11041, 12135, 13575, 13725, 20225, 33123, 36405, 40725, 49349, 55205, 60675, 99369, 146429, 148047, 165615, 182025, 246745, 276025, 439287, 444141, 496845, 732145, 740235, 828075, 1233725, 1317861, 2196435, 2220705, 2484225, 3660725, 3701175, 6589305, 8932169, 10982175, 11103525, 26796507, 32946525, 44660845, 80389521, 133982535, 223304225, 401947605, 669912675, 2009738025]

約数ペア:

[(1, 2009738025), (3, 669912675), (5, 401947605), (9, 223304225), (15, 133982535), (25, 80389521), (45, 44660845), (61, 32946525), (75, 26796507), (181, 11103525), (183, 10982175), (225, 8932169), (305, 6589305), (543, 3701175), (549, 3660725), (809, 2484225), (905, 2220705), (915, 2196435), (1525, 1317861), (1629, 1233725), (2427, 828075), (2715, 740235), (2745, 732145), (4045, 496845), (4525, 444141), (4575, 439287), (7281, 276025), (8145, 246745), (11041, 182025), (12135, 165615), (13575, 148047), (13725, 146429), (20225, 99369), (33123, 60675), (36405, 55205), (40725, 49349)]