68115225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21121}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 115241632

約数和(自身を除く): 47126407

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21121, 63363, 105605, 316815, 528025, 908203, 1584075, 2724609, 4541015, 13623045, 22705075, 68115225]

約数ペア:

[(1, 68115225), (3, 22705075), (5, 13623045), (15, 4541015), (25, 2724609), (43, 1584075), (75, 908203), (129, 528025), (215, 316815), (645, 105605), (1075, 63363), (3225, 21121)]