218779971

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{9883}}^1$

素因数の和:10090

約数の個数: 16

約数和(自身を含む): 299841024

約数和(自身を除く): 81061053

約数列:

[1, 3, 47, 141, 157, 471, 7379, 9883, 22137, 29649, 464501, 1393503, 1551631, 4654893, 72926657, 218779971]

約数ペア:

[(1, 218779971), (3, 72926657), (47, 4654893), (141, 1551631), (157, 1393503), (471, 464501), (7379, 29649), (9883, 22137)]