80797899

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 143682560

約数和(自身を除く): 62884661

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 57, 91, 111, 133, 247, 259, 273, 399, 421, 481, 703, 741, 777, 1263, 1443, 1729, 2109, 2947, 3367, 4921, 5187, 5473, 7999, 8841, 9139, 10101, 14763, 15577, 16419, 23997, 27417, 38311, 46731, 55993, 63973, 103987, 109039, 114933, 167979, 191919, 202501, 295963, 311961, 327117, 607503, 727909, 887889, 1417507, 2071741, 2183727, 3847519, 4252521, 6215223, 11542557, 26932633, 80797899]

約数ペア:

[(1, 80797899), (3, 26932633), (7, 11542557), (13, 6215223), (19, 4252521), (21, 3847519), (37, 2183727), (39, 2071741), (57, 1417507), (91, 887889), (111, 727909), (133, 607503), (247, 327117), (259, 311961), (273, 295963), (399, 202501), (421, 191919), (481, 167979), (703, 114933), (741, 109039), (777, 103987), (1263, 63973), (1443, 55993), (1729, 46731), (2109, 38311), (2947, 27417), (3367, 23997), (4921, 16419), (5187, 15577), (5473, 14763), (7999, 10101), (8841, 9139)]