87081351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218249}}^1$

素因数の和:218278

約数の個数: 16

約数和(自身を含む): 139680000

約数和(自身を除く): 52598649

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 218249, 654747, 1527743, 4146731, 4583229, 12440193, 29027117, 87081351]

約数ペア:

[(1, 87081351), (3, 29027117), (7, 12440193), (19, 4583229), (21, 4146731), (57, 1527743), (133, 654747), (399, 218249)]