121490199

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{78941}}^1$

素因数の和:78972

約数の個数: 20

約数和(自身を含む): 191039640

約数和(自身を除く): 69549441

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 78941, 236823, 710469, 1499879, 2131407, 4499637, 6394221, 13498911, 40496733, 121490199]

約数ペア:

[(1, 121490199), (3, 40496733), (9, 13498911), (19, 6394221), (27, 4499637), (57, 2131407), (81, 1499879), (171, 710469), (513, 236823), (1539, 78941)]