516789

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 920192

約数和(自身を除く): 403403

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 631, 819, 1893, 4417, 5679, 8203, 13251, 24609, 39753, 57421, 73827, 172263, 516789]

約数ペア:

[(1, 516789), (3, 172263), (7, 73827), (9, 57421), (13, 39753), (21, 24609), (39, 13251), (63, 8203), (91, 5679), (117, 4417), (273, 1893), (631, 819)]