290469093

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1487}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 428544000

約数和(自身を除く): 138074907

約数列:

[1, 3, 19, 23, 57, 69, 149, 437, 447, 1311, 1487, 2831, 3427, 4461, 8493, 10281, 28253, 34201, 65113, 84759, 102603, 195339, 221563, 649819, 664689, 1949457, 4209697, 5095949, 12629091, 15287847, 96823031, 290469093]

約数ペア:

[(1, 290469093), (3, 96823031), (19, 15287847), (23, 12629091), (57, 5095949), (69, 4209697), (149, 1949457), (437, 664689), (447, 649819), (1311, 221563), (1487, 195339), (2831, 102603), (3427, 84759), (4461, 65113), (8493, 34201), (10281, 28253)]