78086421

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{16979}}^1$

素因数の和:17065

約数の個数: 24

約数和(自身を含む): 130678080

約数和(自身を除く): 52591659

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 16979, 50937, 118853, 152811, 356559, 1069677, 1239467, 3718401, 8676269, 11155203, 26028807, 78086421]

約数ペア:

[(1, 78086421), (3, 26028807), (7, 11155203), (9, 8676269), (21, 3718401), (63, 1239467), (73, 1069677), (219, 356559), (511, 152811), (657, 118853), (1533, 50937), (4599, 16979)]