68740245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{24247}}^1$

素因数の和:24271

約数の個数: 40

約数和(自身を含む): 140832384

約数和(自身を除く): 72092139

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 24247, 72741, 121235, 169729, 218223, 363705, 509187, 654669, 848645, 1091115, 1527561, 1964007, 2545935, 3273345, 4582683, 7637805, 9820035, 13748049, 22913415, 68740245]

約数ペア:

[(1, 68740245), (3, 22913415), (5, 13748049), (7, 9820035), (9, 7637805), (15, 4582683), (21, 3273345), (27, 2545935), (35, 1964007), (45, 1527561), (63, 1091115), (81, 848645), (105, 654669), (135, 509187), (189, 363705), (315, 218223), (405, 169729), (567, 121235), (945, 72741), (2835, 24247)]