28074225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 21797583

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 97, 227, 255, 291, 425, 485, 681, 1135, 1275, 1455, 1649, 2425, 3405, 3859, 4947, 5675, 7275, 8245, 11577, 17025, 19295, 22019, 24735, 41225, 57885, 66057, 96475, 110095, 123675, 289425, 330285, 374323, 550475, 1122969, 1651425, 1871615, 5614845, 9358075, 28074225]

約数ペア:

[(1, 28074225), (3, 9358075), (5, 5614845), (15, 1871615), (17, 1651425), (25, 1122969), (51, 550475), (75, 374323), (85, 330285), (97, 289425), (227, 123675), (255, 110095), (291, 96475), (425, 66057), (485, 57885), (681, 41225), (1135, 24735), (1275, 22019), (1455, 19295), (1649, 17025), (2425, 11577), (3405, 8245), (3859, 7275), (4947, 5675)]