87117831

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{757}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 132831920

約数和(自身を除く): 45714089

約数列:

[1, 3, 9, 19, 57, 171, 673, 757, 2019, 2271, 6057, 6813, 12787, 14383, 38361, 43149, 115083, 129447, 509461, 1528383, 4585149, 9679759, 29039277, 87117831]

約数ペア:

[(1, 87117831), (3, 29039277), (9, 9679759), (19, 4585149), (57, 1528383), (171, 509461), (673, 129447), (757, 115083), (2019, 43149), (2271, 38361), (6057, 14383), (6813, 12787)]