217620579

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{3923}}^1$

素因数の和:4019

約数の個数: 24

約数和(自身を含む): 324530496

約数和(自身を除く): 106909917

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 1681, 3923, 5043, 11769, 18491, 43153, 55473, 129459, 160843, 482529, 1769273, 5307819, 6594563, 19783689, 72540193, 217620579]

約数ペア:

[(1, 217620579), (3, 72540193), (11, 19783689), (33, 6594563), (41, 5307819), (123, 1769273), (451, 482529), (1353, 160843), (1681, 129459), (3923, 55473), (5043, 43153), (11769, 18491)]