255156723

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{185299}}^1$

素因数の和:185328

約数の個数: 20

約数和(自身を含む): 403583400

約数和(自身を除く): 148426677

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 185299, 555897, 1667691, 3150083, 5003073, 9450249, 15009219, 28350747, 85052241, 255156723]

約数ペア:

[(1, 255156723), (3, 85052241), (9, 28350747), (17, 15009219), (27, 9450249), (51, 5003073), (81, 3150083), (153, 1667691), (459, 555897), (1377, 185299)]