221566809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{22469}}^1$

素因数の和:22664

約数の個数: 16

約数和(自身を含む): 312782400

約数和(自身を除く): 91215591

約数列:

[1, 3, 19, 57, 173, 519, 3287, 9861, 22469, 67407, 426911, 1280733, 3887137, 11661411, 73855603, 221566809]

約数ペア:

[(1, 221566809), (3, 73855603), (19, 11661411), (57, 3887137), (173, 1280733), (519, 426911), (3287, 67407), (9861, 22469)]