856553555

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{108907}}^1$

素因数の和:108947

約数の個数: 24

約数和(自身を含む): 1216720176

約数和(自身を除く): 360166621

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 108907, 544535, 1197977, 1415791, 5989885, 7078955, 13177747, 15573701, 65888735, 77868505, 171310711, 856553555]

約数ペア:

[(1, 856553555), (5, 171310711), (11, 77868505), (13, 65888735), (55, 15573701), (65, 13177747), (121, 7078955), (143, 5989885), (605, 1415791), (715, 1197977), (1573, 544535), (7865, 108907)]