68703921

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 123160128

約数和(自身を除く): 54456207

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 121, 143, 207, 211, 253, 299, 363, 429, 633, 759, 897, 1089, 1287, 1573, 1899, 2277, 2321, 2691, 2743, 2783, 3289, 4719, 4853, 6963, 8229, 8349, 9867, 14157, 14559, 20889, 24687, 25047, 25531, 29601, 30173, 36179, 43677, 53383, 63089, 76593, 90519, 108537, 160149, 189267, 229779, 271557, 325611, 331903, 480447, 567801, 587213, 693979, 995709, 1761639, 2081937, 2987127, 5284917, 6245811, 7633769, 22901307, 68703921]

約数ペア:

[(1, 68703921), (3, 22901307), (9, 7633769), (11, 6245811), (13, 5284917), (23, 2987127), (33, 2081937), (39, 1761639), (69, 995709), (99, 693979), (117, 587213), (121, 567801), (143, 480447), (207, 331903), (211, 325611), (253, 271557), (299, 229779), (363, 189267), (429, 160149), (633, 108537), (759, 90519), (897, 76593), (1089, 63089), (1287, 53383), (1573, 43677), (1899, 36179), (2277, 30173), (2321, 29601), (2691, 25531), (2743, 25047), (2783, 24687), (3289, 20889), (4719, 14559), (4853, 14157), (6963, 9867), (8229, 8349)]