656850519

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1877}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 1049576640

約数和(自身を除く): 392726121

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 997, 1877, 2991, 5631, 8973, 12961, 16893, 24401, 26919, 38883, 50679, 73203, 116649, 219609, 349947, 658827, 1871369, 5614107, 16842321, 24327797, 50526963, 72983391, 218950173, 656850519]

約数ペア:

[(1, 656850519), (3, 218950173), (9, 72983391), (13, 50526963), (27, 24327797), (39, 16842321), (117, 5614107), (351, 1871369), (997, 658827), (1877, 349947), (2991, 219609), (5631, 116649), (8973, 73203), (12961, 50679), (16893, 38883), (24401, 26919)]