261228243

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1\times {\mathrm{1583}}^1$

素因数の和:2474

約数の個数: 16

約数和(自身を含む): 354157056

約数和(自身を除く): 92928813

約数列:

[1, 3, 67, 201, 821, 1583, 2463, 4749, 55007, 106061, 165021, 318183, 1299643, 3898929, 87076081, 261228243]

約数ペア:

[(1, 261228243), (3, 87076081), (67, 3898929), (201, 1299643), (821, 318183), (1583, 165021), (2463, 106061), (4749, 55007)]