221437887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{15569}}^1$

素因数の和:16014

約数の個数: 16

約数和(自身を含む): 322859520

約数和(自身を除く): 101421633

約数列:

[1, 3, 11, 33, 431, 1293, 4741, 14223, 15569, 46707, 171259, 513777, 6710239, 20130717, 73812629, 221437887]

約数ペア:

[(1, 221437887), (3, 73812629), (11, 20130717), (33, 6710239), (431, 513777), (1293, 171259), (4741, 46707), (14223, 15569)]