68643045

素因数分解:

$3^4\times 5^1\times {\mathrm{169489}}^1$

素因数の和:169506

約数の個数: 20

約数和(自身を含む): 123049740

約数和(自身を除く): 54406695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169489, 508467, 847445, 1525401, 2542335, 4576203, 7627005, 13728609, 22881015, 68643045]

約数ペア:

[(1, 68643045), (3, 22881015), (5, 13728609), (9, 7627005), (15, 4576203), (27, 2542335), (45, 1525401), (81, 847445), (135, 508467), (405, 169489)]