279499077

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2749}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 480480000

約数和(自身を除く): 200980923

約数列:

[1, 3, 9, 11, 13, 33, 39, 79, 99, 117, 143, 237, 429, 711, 869, 1027, 1287, 2607, 2749, 3081, 7821, 8247, 9243, 11297, 24741, 30239, 33891, 35737, 90717, 101673, 107211, 217171, 272151, 321633, 393107, 651513, 1179321, 1954539, 2388881, 2823223, 3537963, 7166643, 8469669, 21499929, 25409007, 31055453, 93166359, 279499077]

約数ペア:

[(1, 279499077), (3, 93166359), (9, 31055453), (11, 25409007), (13, 21499929), (33, 8469669), (39, 7166643), (79, 3537963), (99, 2823223), (117, 2388881), (143, 1954539), (237, 1179321), (429, 651513), (711, 393107), (869, 321633), (1027, 272151), (1287, 217171), (2607, 107211), (2749, 101673), (3081, 90717), (7821, 35737), (8247, 33891), (9243, 30239), (11297, 24741)]