27827235

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 50285664

約数和(自身を除く): 22458429

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 197, 215, 219, 365, 387, 591, 645, 657, 985, 1095, 1773, 1935, 2955, 3139, 3285, 8471, 8865, 9417, 14381, 15695, 25413, 28251, 42355, 43143, 47085, 71905, 76239, 127065, 129429, 141255, 215715, 381195, 618383, 647145, 1855149, 3091915, 5565447, 9275745, 27827235]

約数ペア:

[(1, 27827235), (3, 9275745), (5, 5565447), (9, 3091915), (15, 1855149), (43, 647145), (45, 618383), (73, 381195), (129, 215715), (197, 141255), (215, 129429), (219, 127065), (365, 76239), (387, 71905), (591, 47085), (645, 43143), (657, 42355), (985, 28251), (1095, 25413), (1773, 15695), (1935, 14381), (2955, 9417), (3139, 8865), (3285, 8471)]