28775655

素因数分解:

$3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 51975792

約数和(自身を除く): 23200137

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 227, 313, 405, 681, 939, 1135, 1565, 2043, 2817, 3405, 4695, 6129, 8451, 10215, 14085, 18387, 25353, 30645, 42255, 71051, 91935, 126765, 213153, 355255, 639459, 1065765, 1918377, 3197295, 5755131, 9591885, 28775655]

約数ペア:

[(1, 28775655), (3, 9591885), (5, 5755131), (9, 3197295), (15, 1918377), (27, 1065765), (45, 639459), (81, 355255), (135, 213153), (227, 126765), (313, 91935), (405, 71051), (681, 42255), (939, 30645), (1135, 25353), (1565, 18387), (2043, 14085), (2817, 10215), (3405, 8451), (4695, 6129)]