221424075

素因数分解:

$3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{5099}}^1$

素因数の和:5308

約数の個数: 36

約数和(自身を含む): 398728200

約数和(自身を除く): 177304125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 193, 225, 579, 965, 1737, 2895, 4825, 5099, 8685, 14475, 15297, 25495, 43425, 45891, 76485, 127475, 229455, 382425, 984107, 1147275, 2952321, 4920535, 8856963, 14761605, 24602675, 44284815, 73808025, 221424075]

約数ペア:

[(1, 221424075), (3, 73808025), (5, 44284815), (9, 24602675), (15, 14761605), (25, 8856963), (45, 4920535), (75, 2952321), (193, 1147275), (225, 984107), (579, 382425), (965, 229455), (1737, 127475), (2895, 76485), (4825, 45891), (5099, 43425), (8685, 25495), (14475, 15297)]