1389699

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 2201472

約数和(自身を除く): 811773

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 293, 527, 879, 1581, 2637, 4743, 4981, 9083, 14943, 27249, 44829, 81747, 154411, 463233, 1389699]

約数ペア:

[(1, 1389699), (3, 463233), (9, 154411), (17, 81747), (31, 44829), (51, 27249), (93, 14943), (153, 9083), (279, 4981), (293, 4743), (527, 2637), (879, 1581)]