12988431

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{3911}}^1$

素因数の和:3964

約数の個数: 20

約数和(自身を含む): 19880784

約数和(自身を除く): 6892353

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 3911, 11733, 35199, 105597, 160351, 316791, 481053, 1443159, 4329477, 12988431]

約数ペア:

[(1, 12988431), (3, 4329477), (9, 1443159), (27, 481053), (41, 316791), (81, 160351), (123, 105597), (369, 35199), (1107, 11733), (3321, 3911)]