27947745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 59002944

約数和(自身を除く): 31055199

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 289, 307, 315, 357, 595, 765, 867, 921, 1071, 1445, 1535, 1785, 2023, 2149, 2601, 2763, 4335, 4605, 5219, 5355, 6069, 6447, 10115, 10745, 13005, 13815, 15657, 18207, 19341, 26095, 30345, 32235, 36533, 46971, 78285, 88723, 91035, 96705, 109599, 182665, 234855, 266169, 328797, 443615, 547995, 621061, 798507, 1330845, 1643985, 1863183, 3105305, 3992535, 5589549, 9315915, 27947745]

約数ペア:

[(1, 27947745), (3, 9315915), (5, 5589549), (7, 3992535), (9, 3105305), (15, 1863183), (17, 1643985), (21, 1330845), (35, 798507), (45, 621061), (51, 547995), (63, 443615), (85, 328797), (105, 266169), (119, 234855), (153, 182665), (255, 109599), (289, 96705), (307, 91035), (315, 88723), (357, 78285), (595, 46971), (765, 36533), (867, 32235), (921, 30345), (1071, 26095), (1445, 19341), (1535, 18207), (1785, 15657), (2023, 13815), (2149, 13005), (2601, 10745), (2763, 10115), (4335, 6447), (4605, 6069), (5219, 5355)]