78178779

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{14951}}^1$

素因数の和:15047

約数の個数: 24

約数和(自身を含む): 130620672

約数和(自身を除く): 52441893

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 14951, 44853, 104657, 134559, 313971, 941913, 1240933, 3722799, 8686531, 11168397, 26059593, 78178779]

約数ペア:

[(1, 78178779), (3, 26059593), (7, 11168397), (9, 8686531), (21, 3722799), (63, 1240933), (83, 941913), (249, 313971), (581, 134559), (747, 104657), (1743, 44853), (5229, 14951)]