12820908321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1\times {\mathrm{2543}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 20457545472

約数和(自身を除く): 7636637151

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1051, 1599, 2543, 3153, 4797, 7629, 9459, 13663, 22887, 33059, 40989, 43091, 99177, 104263, 122967, 129273, 297531, 312789, 387819, 560183, 938367, 1355419, 1680549, 2672693, 4066257, 5041647, 8018079, 12198771, 24054237, 34745009, 104235027, 109580413, 312705081, 328741239, 986223717, 1424545369, 4273636107, 12820908321]

約数ペア:

[(1, 12820908321), (3, 4273636107), (9, 1424545369), (13, 986223717), (39, 328741239), (41, 312705081), (117, 109580413), (123, 104235027), (369, 34745009), (533, 24054237), (1051, 12198771), (1599, 8018079), (2543, 5041647), (3153, 4066257), (4797, 2672693), (7629, 1680549), (9459, 1355419), (13663, 938367), (22887, 560183), (33059, 387819), (40989, 312789), (43091, 297531), (99177, 129273), (104263, 122967)]