78845715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 150014592

約数和(自身を除く): 71168877

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 689, 795, 2067, 2385, 2543, 3445, 6201, 7629, 10335, 12715, 22887, 31005, 33059, 38145, 99177, 114435, 134779, 165295, 297531, 404337, 495885, 673895, 1213011, 1487655, 1752127, 2021685, 5256381, 6065055, 8760635, 15769143, 26281905, 78845715]

約数ペア:

[(1, 78845715), (3, 26281905), (5, 15769143), (9, 8760635), (13, 6065055), (15, 5256381), (39, 2021685), (45, 1752127), (53, 1487655), (65, 1213011), (117, 673895), (159, 495885), (195, 404337), (265, 297531), (477, 165295), (585, 134779), (689, 114435), (795, 99177), (2067, 38145), (2385, 33059), (2543, 31005), (3445, 22887), (6201, 12715), (7629, 10335)]