15620481

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 23319296

約数和(自身を除く): 7698815

約数列:

[1, 3, 9, 43, 129, 181, 223, 387, 543, 669, 1629, 2007, 7783, 9589, 23349, 28767, 40363, 70047, 86301, 121089, 363267, 1735609, 5206827, 15620481]

約数ペア:

[(1, 15620481), (3, 5206827), (9, 1735609), (43, 363267), (129, 121089), (181, 86301), (223, 70047), (387, 40363), (543, 28767), (669, 23349), (1629, 9589), (2007, 7783)]