12706215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 8444505

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 269, 335, 705, 807, 1005, 1345, 3149, 4035, 9447, 12643, 15745, 18023, 37929, 47235, 54069, 63215, 90115, 189645, 270345, 847081, 2541243, 4235405, 12706215]

約数ペア:

[(1, 12706215), (3, 4235405), (5, 2541243), (15, 847081), (47, 270345), (67, 189645), (141, 90115), (201, 63215), (235, 54069), (269, 47235), (335, 37929), (705, 18023), (807, 15745), (1005, 12643), (1345, 9447), (3149, 4035)]