221337225

素因数分解:

$3^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1699}}^1$

素因数の和:1911

約数の個数: 48

約数和(自身を含む): 408952000

約数和(自身を除く): 187614775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 193, 225, 579, 675, 965, 1699, 1737, 2895, 4825, 5097, 5211, 8495, 8685, 14475, 15291, 25485, 26055, 42475, 43425, 45873, 76455, 127425, 130275, 229365, 327907, 382275, 983721, 1146825, 1639535, 2951163, 4918605, 8197675, 8853489, 14755815, 24593025, 44267445, 73779075, 221337225]

約数ペア:

[(1, 221337225), (3, 73779075), (5, 44267445), (9, 24593025), (15, 14755815), (25, 8853489), (27, 8197675), (45, 4918605), (75, 2951163), (135, 1639535), (193, 1146825), (225, 983721), (579, 382275), (675, 327907), (965, 229365), (1699, 130275), (1737, 127425), (2895, 76455), (4825, 45873), (5097, 43425), (5211, 42475), (8495, 26055), (8685, 25485), (14475, 15291)]