72381357

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{4937}}^1$

素因数の和:5130

約数の個数: 20

約数和(自身を含む): 108744636

約数和(自身を除く): 36363279

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 4937, 14661, 14811, 44433, 133299, 399897, 893597, 2680791, 8042373, 24127119, 72381357]

約数ペア:

[(1, 72381357), (3, 24127119), (9, 8042373), (27, 2680791), (81, 893597), (181, 399897), (543, 133299), (1629, 44433), (4887, 14811), (4937, 14661)]