216811119

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{27241}}^1$

素因数の和:27630

約数の個数: 16

約数和(自身を含む): 331262720

約数和(自身を除く): 114451601

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 27241, 81723, 190687, 572061, 10324339, 30973017, 72270373, 216811119]

約数ペア:

[(1, 216811119), (3, 72270373), (7, 30973017), (21, 10324339), (379, 572061), (1137, 190687), (2653, 81723), (7959, 27241)]