821000943

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 1379589120

約数和(自身を除く): 558588177

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 293, 553, 563, 711, 879, 1659, 1689, 2051, 2637, 3941, 4977, 5067, 6153, 11823, 18459, 23147, 35469, 44477, 69441, 133431, 162029, 164959, 208323, 311339, 400293, 486087, 494877, 934017, 1154713, 1458261, 1484631, 2802051, 3464139, 10392417, 13031761, 39095283, 91222327, 117285849, 273666981, 821000943]

約数ペア:

[(1, 821000943), (3, 273666981), (7, 117285849), (9, 91222327), (21, 39095283), (63, 13031761), (79, 10392417), (237, 3464139), (293, 2802051), (553, 1484631), (563, 1458261), (711, 1154713), (879, 934017), (1659, 494877), (1689, 486087), (2051, 400293), (2637, 311339), (3941, 208323), (4977, 164959), (5067, 162029), (6153, 133431), (11823, 69441), (18459, 44477), (23147, 35469)]