11857671

素因数分解:

$3^5\times 7^1\times {\mathrm{6971}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 20302464

約数和(自身を除く): 8444793

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 6971, 20913, 48797, 62739, 146391, 188217, 439173, 564651, 1317519, 1693953, 3952557, 11857671]

約数ペア:

[(1, 11857671), (3, 3952557), (7, 1693953), (9, 1317519), (21, 564651), (27, 439173), (63, 188217), (81, 146391), (189, 62739), (243, 48797), (567, 20913), (1701, 6971)]