87447519

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{56821}}^1$

素因数の和:56852

約数の個数: 20

約数和(自身を含む): 137509240

約数和(自身を除く): 50061721

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 56821, 170463, 511389, 1079599, 1534167, 3238797, 4602501, 9716391, 29149173, 87447519]

約数ペア:

[(1, 87447519), (3, 29149173), (9, 9716391), (19, 4602501), (27, 3238797), (57, 1534167), (81, 1079599), (171, 511389), (513, 170463), (1539, 56821)]