1726191

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 20

約数和(自身を含む): 2616504

約数和(自身を除く): 890313

約数列:

[1, 3, 9, 27, 81, 101, 211, 303, 633, 909, 1899, 2727, 5697, 8181, 17091, 21311, 63933, 191799, 575397, 1726191]

約数ペア:

[(1, 1726191), (3, 575397), (9, 191799), (27, 63933), (81, 21311), (101, 17091), (211, 8181), (303, 5697), (633, 2727), (909, 1899)]