291289419

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1931}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 446369280

約数和(自身を除く): 155079861

約数列:

[1, 3, 9, 27, 37, 111, 151, 333, 453, 999, 1359, 1931, 4077, 5587, 5793, 16761, 17379, 50283, 52137, 71447, 150849, 214341, 291581, 643023, 874743, 1929069, 2624229, 7872687, 10788497, 32365491, 97096473, 291289419]

約数ペア:

[(1, 291289419), (3, 97096473), (9, 32365491), (27, 10788497), (37, 7872687), (111, 2624229), (151, 1929069), (333, 874743), (453, 643023), (999, 291581), (1359, 214341), (1931, 150849), (4077, 71447), (5587, 52137), (5793, 50283), (16761, 17379)]