1229305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 1916928

約数和(自身を除く): 687623

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 103, 155, 217, 341, 385, 515, 721, 1085, 1133, 1705, 2387, 3193, 3605, 5665, 7931, 11935, 15965, 22351, 35123, 39655, 111755, 175615, 245861, 1229305]

約数ペア:

[(1, 1229305), (5, 245861), (7, 175615), (11, 111755), (31, 39655), (35, 35123), (55, 22351), (77, 15965), (103, 11935), (155, 7931), (217, 5665), (341, 3605), (385, 3193), (515, 2387), (721, 1705), (1085, 1133)]