7774287

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 11819520

約数和(自身を除く): 4045233

約数列:

[1, 3, 17, 19, 51, 57, 71, 113, 213, 323, 339, 969, 1207, 1349, 1921, 2147, 3621, 4047, 5763, 6441, 8023, 22933, 24069, 36499, 68799, 109497, 136391, 152437, 409173, 457311, 2591429, 7774287]

約数ペア:

[(1, 7774287), (3, 2591429), (17, 457311), (19, 409173), (51, 152437), (57, 136391), (71, 109497), (113, 68799), (213, 36499), (323, 24069), (339, 22933), (969, 8023), (1207, 6441), (1349, 5763), (1921, 4047), (2147, 3621)]