140072541

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{351059}}^1$

素因数の和:351088

約数の個数: 16

約数和(自身を含む): 224678400

約数和(自身を除く): 84605859

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 351059, 1053177, 2457413, 6670121, 7372239, 20010363, 46690847, 140072541]

約数ペア:

[(1, 140072541), (3, 46690847), (7, 20010363), (19, 7372239), (21, 6670121), (57, 2457413), (133, 1053177), (399, 351059)]