16971525

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 90

約数和(自身を含む): 34546710

約数和(自身を除く): 17575185

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 51, 75, 81, 85, 87, 135, 145, 153, 225, 255, 261, 289, 405, 425, 435, 459, 493, 675, 725, 765, 783, 867, 1275, 1305, 1377, 1445, 1479, 2025, 2175, 2295, 2349, 2465, 2601, 3825, 3915, 4335, 4437, 6525, 6885, 7225, 7395, 7803, 8381, 11475, 11745, 12325, 13005, 13311, 19575, 21675, 22185, 23409, 25143, 34425, 36975, 39015, 39933, 41905, 58725, 65025, 66555, 75429, 110925, 117045, 125715, 195075, 199665, 209525, 226287, 332775, 377145, 585225, 628575, 678861, 998325, 1131435, 1885725, 3394305, 5657175, 16971525]

約数ペア:

[(1, 16971525), (3, 5657175), (5, 3394305), (9, 1885725), (15, 1131435), (17, 998325), (25, 678861), (27, 628575), (29, 585225), (45, 377145), (51, 332775), (75, 226287), (81, 209525), (85, 199665), (87, 195075), (135, 125715), (145, 117045), (153, 110925), (225, 75429), (255, 66555), (261, 65025), (289, 58725), (405, 41905), (425, 39933), (435, 39015), (459, 36975), (493, 34425), (675, 25143), (725, 23409), (765, 22185), (783, 21675), (867, 19575), (1275, 13311), (1305, 13005), (1377, 12325), (1445, 11745), (1479, 11475), (2025, 8381), (2175, 7803), (2295, 7395), (2349, 7225), (2465, 6885), (2601, 6525), (3825, 4437), (3915, 4335)]