490000005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{6073}}^1$

素因数の和:6258

約数の個数: 48

約数和(自身を含む): 932383296

約数和(自身を除く): 442383291

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 489, 495, 815, 1467, 1793, 2445, 5379, 6073, 7335, 8965, 16137, 18219, 26895, 30365, 54657, 66803, 80685, 91095, 200409, 273285, 334015, 601227, 989899, 1002045, 2969697, 3006135, 4949495, 8909091, 10888889, 14848485, 32666667, 44545455, 54444445, 98000001, 163333335, 490000005]

約数ペア:

[(1, 490000005), (3, 163333335), (5, 98000001), (9, 54444445), (11, 44545455), (15, 32666667), (33, 14848485), (45, 10888889), (55, 8909091), (99, 4949495), (163, 3006135), (165, 2969697), (489, 1002045), (495, 989899), (815, 601227), (1467, 334015), (1793, 273285), (2445, 200409), (5379, 91095), (6073, 80685), (7335, 66803), (8965, 54657), (16137, 30365), (18219, 26895)]