39879945

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 82183680

約数和(自身を除く): 42303735

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 521, 567, 729, 945, 1215, 1563, 1701, 2187, 2605, 2835, 3645, 3647, 4689, 5103, 7815, 8505, 10935, 10941, 14067, 15309, 18235, 23445, 25515, 32823, 42201, 54705, 70335, 76545, 98469, 126603, 164115, 211005, 295407, 379809, 492345, 633015, 886221, 1139427, 1477035, 1899045, 2658663, 4431105, 5697135, 7975989, 13293315, 39879945]

約数ペア:

[(1, 39879945), (3, 13293315), (5, 7975989), (7, 5697135), (9, 4431105), (15, 2658663), (21, 1899045), (27, 1477035), (35, 1139427), (45, 886221), (63, 633015), (81, 492345), (105, 379809), (135, 295407), (189, 211005), (243, 164115), (315, 126603), (405, 98469), (521, 76545), (567, 70335), (729, 54705), (945, 42201), (1215, 32823), (1563, 25515), (1701, 23445), (2187, 18235), (2605, 15309), (2835, 14067), (3645, 10941), (3647, 10935), (4689, 8505), (5103, 7815)]