7257249

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 11571840

約数和(自身を除く): 4314591

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 163, 291, 459, 489, 873, 1467, 1649, 2619, 2771, 4401, 4947, 8313, 14841, 15811, 24939, 44523, 47433, 74817, 142299, 268787, 426897, 806361, 2419083, 7257249]

約数ペア:

[(1, 7257249), (3, 2419083), (9, 806361), (17, 426897), (27, 268787), (51, 142299), (97, 74817), (153, 47433), (163, 44523), (291, 24939), (459, 15811), (489, 14841), (873, 8313), (1467, 4947), (1649, 4401), (2619, 2771)]