66784263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 110186496

約数和(自身を除く): 43402233

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1097, 1561, 2899, 3291, 4683, 7679, 8697, 14261, 20293, 23037, 42783, 60879, 99827, 244631, 299481, 733893, 1712417, 3180203, 5137251, 9540609, 22261421, 66784263]

約数ペア:

[(1, 66784263), (3, 22261421), (7, 9540609), (13, 5137251), (21, 3180203), (39, 1712417), (91, 733893), (223, 299481), (273, 244631), (669, 99827), (1097, 60879), (1561, 42783), (2899, 23037), (3291, 20293), (4683, 14261), (7679, 8697)]