78994827

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 120485664

約数和(自身を除く): 41490837

約数列:

[1, 3, 9, 43, 47, 101, 129, 141, 303, 387, 423, 909, 1849, 2021, 4343, 4747, 5547, 6063, 13029, 14241, 16641, 18189, 39087, 42723, 86903, 186749, 204121, 260709, 560247, 612363, 782127, 1680741, 1837089, 8777203, 26331609, 78994827]

約数ペア:

[(1, 78994827), (3, 26331609), (9, 8777203), (43, 1837089), (47, 1680741), (101, 782127), (129, 612363), (141, 560247), (303, 260709), (387, 204121), (423, 186749), (909, 86903), (1849, 42723), (2021, 39087), (4343, 18189), (4747, 16641), (5547, 14241), (6063, 13029)]