78481557

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 142197120

約数和(自身を除く): 63715563

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 269, 421, 693, 807, 1263, 1883, 2421, 2947, 2959, 3789, 4631, 5649, 8841, 8877, 13893, 16947, 20713, 26523, 26631, 32417, 41679, 62139, 97251, 113249, 186417, 291753, 339747, 792743, 1019241, 1245739, 2378229, 3737217, 7134687, 8720173, 11211651, 26160519, 78481557]

約数ペア:

[(1, 78481557), (3, 26160519), (7, 11211651), (9, 8720173), (11, 7134687), (21, 3737217), (33, 2378229), (63, 1245739), (77, 1019241), (99, 792743), (231, 339747), (269, 291753), (421, 186417), (693, 113249), (807, 97251), (1263, 62139), (1883, 41679), (2421, 32417), (2947, 26631), (2959, 26523), (3789, 20713), (4631, 16947), (5649, 13893), (8841, 8877)]