81198229

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3373}}^1$

素因数の和:3580

約数の個数: 16

約数和(自身を含む): 98250880

約数和(自身を除く): 17052651

約数列:

[1, 7, 19, 133, 181, 1267, 3373, 3439, 23611, 24073, 64087, 448609, 610513, 4273591, 11599747, 81198229]

約数ペア:

[(1, 81198229), (7, 11599747), (19, 4273591), (133, 610513), (181, 448609), (1267, 64087), (3373, 24073), (3439, 23611)]