28621827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 44763264

約数和(自身を除く): 16141437

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 1097, 2007, 2899, 3291, 8697, 9873, 14261, 26091, 42783, 128349, 244631, 733893, 2201679, 3180203, 9540609, 28621827]

約数ペア:

[(1, 28621827), (3, 9540609), (9, 3180203), (13, 2201679), (39, 733893), (117, 244631), (223, 128349), (669, 42783), (1097, 26091), (2007, 14261), (2899, 9873), (3291, 8697)]