208512291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 312802560

約数和(自身を除く): 104290269

約数列:

[1, 3, 13, 29, 39, 87, 107, 321, 377, 1131, 1391, 1723, 3103, 4173, 5169, 9309, 22399, 40339, 49967, 67197, 121017, 149901, 184361, 553083, 649571, 1948713, 2396693, 5346469, 7190079, 16039407, 69504097, 208512291]

約数ペア:

[(1, 208512291), (3, 69504097), (13, 16039407), (29, 7190079), (39, 5346469), (87, 2396693), (107, 1948713), (321, 649571), (377, 553083), (1131, 184361), (1391, 149901), (1723, 121017), (3103, 67197), (4173, 49967), (5169, 40339), (9309, 22399)]