515506725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 983062080

約数和(自身を除く): 467555355

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 307, 425, 439, 765, 921, 1275, 1317, 1535, 2195, 2763, 3825, 3951, 4605, 5219, 6585, 7463, 7675, 10975, 13815, 15657, 19755, 22389, 23025, 26095, 32925, 37315, 46971, 67167, 69075, 78285, 98775, 111945, 130475, 134773, 186575, 234855, 335835, 391425, 404319, 559725, 673865, 1174275, 1212957, 1679175, 2021595, 2291141, 3369325, 6064785, 6873423, 10107975, 11455705, 20620269, 30323925, 34367115, 57278525, 103101345, 171835575, 515506725]

約数ペア:

[(1, 515506725), (3, 171835575), (5, 103101345), (9, 57278525), (15, 34367115), (17, 30323925), (25, 20620269), (45, 11455705), (51, 10107975), (75, 6873423), (85, 6064785), (153, 3369325), (225, 2291141), (255, 2021595), (307, 1679175), (425, 1212957), (439, 1174275), (765, 673865), (921, 559725), (1275, 404319), (1317, 391425), (1535, 335835), (2195, 234855), (2763, 186575), (3825, 134773), (3951, 130475), (4605, 111945), (5219, 98775), (6585, 78285), (7463, 69075), (7675, 67167), (10975, 46971), (13815, 37315), (15657, 32925), (19755, 26095), (22389, 23025)]