31877991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{673}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 48716720

約数和(自身を除く): 16838729

約数列:

[1, 3, 9, 19, 57, 171, 277, 673, 831, 2019, 2493, 5263, 6057, 12787, 15789, 38361, 47367, 115083, 186421, 559263, 1677789, 3541999, 10625997, 31877991]

約数ペア:

[(1, 31877991), (3, 10625997), (9, 3541999), (19, 1677789), (57, 559263), (171, 186421), (277, 115083), (673, 47367), (831, 38361), (2019, 15789), (2493, 12787), (5263, 6057)]