78518349

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31957}}^1$

素因数の和:31986

約数の個数: 32

約数和(自身を含む): 143171840

約数和(自身を除く): 64653491

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 31957, 95871, 223699, 287613, 415441, 671097, 862839, 1246323, 2013291, 2908087, 3738969, 6039873, 8724261, 11216907, 26172783, 78518349]

約数ペア:

[(1, 78518349), (3, 26172783), (7, 11216907), (9, 8724261), (13, 6039873), (21, 3738969), (27, 2908087), (39, 2013291), (63, 1246323), (91, 862839), (117, 671097), (189, 415441), (273, 287613), (351, 223699), (819, 95871), (2457, 31957)]