390929007

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{50177}}^1$

素因数の和:50247

約数の個数: 24

約数和(自身を含む): 617791536

約数和(自身を除く): 226862529

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 50177, 150531, 351239, 1053717, 2458673, 2659381, 7376019, 7978143, 18615667, 55847001, 130309669, 390929007]

約数ペア:

[(1, 390929007), (3, 130309669), (7, 55847001), (21, 18615667), (49, 7978143), (53, 7376019), (147, 2659381), (159, 2458673), (371, 1053717), (1113, 351239), (2597, 150531), (7791, 50177)]