71667771

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 111541248

約数和(自身を除く): 39873477

約数列:

[1, 3, 7, 21, 97, 151, 233, 291, 453, 679, 699, 1057, 1631, 2037, 3171, 4893, 14647, 22601, 35183, 43941, 67803, 102529, 105549, 158207, 246281, 307587, 474621, 738843, 3412751, 10238253, 23889257, 71667771]

約数ペア:

[(1, 71667771), (3, 23889257), (7, 10238253), (21, 3412751), (97, 738843), (151, 474621), (233, 307587), (291, 246281), (453, 158207), (679, 105549), (699, 102529), (1057, 67803), (1631, 43941), (2037, 35183), (3171, 22601), (4893, 14647)]