819351

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 1310400

約数和(自身を除く): 491049

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 149, 423, 447, 611, 1341, 1833, 1937, 5499, 5811, 7003, 17433, 21009, 63027, 91039, 273117, 819351]

約数ペア:

[(1, 819351), (3, 273117), (9, 91039), (13, 63027), (39, 21009), (47, 17433), (117, 7003), (141, 5811), (149, 5499), (423, 1937), (447, 1833), (611, 1341)]