12138765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 20756736

約数和(自身を除く): 8617971

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 263, 543, 789, 905, 1315, 2715, 3077, 3945, 4471, 9231, 13413, 15385, 22355, 46155, 47603, 67065, 142809, 238015, 714045, 809251, 2427753, 4046255, 12138765]

約数ペア:

[(1, 12138765), (3, 4046255), (5, 2427753), (15, 809251), (17, 714045), (51, 238015), (85, 142809), (181, 67065), (255, 47603), (263, 46155), (543, 22355), (789, 15385), (905, 13413), (1315, 9231), (2715, 4471), (3077, 3945)]