65416005

素因数分解:

$3^4\times 5^1\times {\mathrm{161521}}^1$

素因数の和:161538

約数の個数: 20

約数和(自身を含む): 117264972

約数和(自身を除く): 51848967

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161521, 484563, 807605, 1453689, 2422815, 4361067, 7268445, 13083201, 21805335, 65416005]

約数ペア:

[(1, 65416005), (3, 21805335), (5, 13083201), (9, 7268445), (15, 4361067), (27, 2422815), (45, 1453689), (81, 807605), (135, 484563), (405, 161521)]