720778971

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 1125218304

約数和(自身を除く): 404439333

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 271, 363, 431, 561, 813, 1293, 2057, 2981, 4607, 4741, 6171, 7327, 8943, 13821, 14223, 21981, 32791, 50677, 52151, 80597, 98373, 116801, 152031, 156453, 241791, 350403, 557447, 886567, 1284811, 1672341, 1985617, 2659701, 3854433, 5956851, 14132921, 21841787, 42398763, 65525361, 240259657, 720778971]

約数ペア:

[(1, 720778971), (3, 240259657), (11, 65525361), (17, 42398763), (33, 21841787), (51, 14132921), (121, 5956851), (187, 3854433), (271, 2659701), (363, 1985617), (431, 1672341), (561, 1284811), (813, 886567), (1293, 557447), (2057, 350403), (2981, 241791), (4607, 156453), (4741, 152031), (6171, 116801), (7327, 98373), (8943, 80597), (13821, 52151), (14223, 50677), (21981, 32791)]