27121325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 42723456

約数和(自身を除く): 15602131

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 193, 275, 365, 385, 511, 803, 965, 1351, 1825, 1925, 2123, 2555, 4015, 4825, 5621, 6755, 10615, 12775, 14089, 14861, 20075, 28105, 33775, 53075, 70445, 74305, 98623, 140525, 154979, 352225, 371525, 493115, 774895, 1084853, 2465575, 3874475, 5424265, 27121325]

約数ペア:

[(1, 27121325), (5, 5424265), (7, 3874475), (11, 2465575), (25, 1084853), (35, 774895), (55, 493115), (73, 371525), (77, 352225), (175, 154979), (193, 140525), (275, 98623), (365, 74305), (385, 70445), (511, 53075), (803, 33775), (965, 28105), (1351, 20075), (1825, 14861), (1925, 14089), (2123, 12775), (2555, 10615), (4015, 6755), (4825, 5621)]