1211217

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 1863552

約数和(自身を除く): 652335

約数列:

[1, 3, 7, 21, 137, 411, 421, 959, 1263, 2877, 2947, 8841, 57677, 173031, 403739, 1211217]

約数ペア:

[(1, 1211217), (3, 403739), (7, 173031), (21, 57677), (137, 8841), (411, 2947), (421, 2877), (959, 1263)]