311324715

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 622036800

約数和(自身を除く): 310712085

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 81, 87, 117, 135, 145, 195, 261, 351, 377, 405, 435, 585, 783, 1053, 1131, 1305, 1755, 1885, 2039, 2349, 3393, 3915, 5265, 5655, 6117, 10179, 10195, 11745, 16965, 18351, 26507, 30537, 30585, 50895, 55053, 59131, 79521, 91755, 132535, 152685, 165159, 177393, 238563, 275265, 295655, 397605, 532179, 715689, 768703, 825795, 886965, 1192815, 1596537, 2147067, 2306109, 2660895, 3578445, 3843515, 4789611, 6918327, 7982685, 10735335, 11530545, 20754981, 23948055, 34591635, 62264943, 103774905, 311324715]

約数ペア:

[(1, 311324715), (3, 103774905), (5, 62264943), (9, 34591635), (13, 23948055), (15, 20754981), (27, 11530545), (29, 10735335), (39, 7982685), (45, 6918327), (65, 4789611), (81, 3843515), (87, 3578445), (117, 2660895), (135, 2306109), (145, 2147067), (195, 1596537), (261, 1192815), (351, 886965), (377, 825795), (405, 768703), (435, 715689), (585, 532179), (783, 397605), (1053, 295655), (1131, 275265), (1305, 238563), (1755, 177393), (1885, 165159), (2039, 152685), (2349, 132535), (3393, 91755), (3915, 79521), (5265, 59131), (5655, 55053), (6117, 50895), (10179, 30585), (10195, 30537), (11745, 26507), (16965, 18351)]