78508521

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10683

約数の個数: 40

約数和(自身を含む): 144355904

約数和(自身を除く): 65847383

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 10651, 31953, 74557, 95859, 138463, 223671, 287577, 415389, 671013, 862731, 969241, 1246167, 2013039, 2907723, 3738501, 6039117, 8723169, 11215503, 26169507, 78508521]

約数ペア:

[(1, 78508521), (3, 26169507), (7, 11215503), (9, 8723169), (13, 6039117), (21, 3738501), (27, 2907723), (39, 2013039), (63, 1246167), (81, 969241), (91, 862731), (117, 671013), (189, 415389), (273, 287577), (351, 223671), (567, 138463), (819, 95859), (1053, 74557), (2457, 31953), (7371, 10651)]