864747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 1419600

約数和(自身を除く): 554853

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 389, 741, 1167, 2223, 3501, 5057, 7391, 15171, 22173, 45513, 66519, 96083, 288249, 864747]

約数ペア:

[(1, 864747), (3, 288249), (9, 96083), (13, 66519), (19, 45513), (39, 22173), (57, 15171), (117, 7391), (171, 5057), (247, 3501), (389, 2223), (741, 1167)]