28635579

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 48906240

約数和(自身を除く): 20270661

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 1193, 2667, 3429, 3579, 8001, 8351, 10737, 24003, 25053, 32211, 75159, 151511, 225477, 454533, 1060577, 1363599, 3181731, 4090797, 9545193, 28635579]

約数ペア:

[(1, 28635579), (3, 9545193), (7, 4090797), (9, 3181731), (21, 1363599), (27, 1060577), (63, 454533), (127, 225477), (189, 151511), (381, 75159), (889, 32211), (1143, 25053), (1193, 24003), (2667, 10737), (3429, 8351), (3579, 8001)]