9991701

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19505

約数の個数: 16

約数和(自身を含む): 15582400

約数和(自身を除く): 5590699

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 19477, 58431, 175293, 370063, 525879, 1110189, 3330567, 9991701]

約数ペア:

[(1, 9991701), (3, 3330567), (9, 1110189), (19, 525879), (27, 370063), (57, 175293), (171, 58431), (513, 19477)]