68991531

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61987}}^1$

素因数の和:62050

約数の個数: 16

約数和(自身を含む): 107115264

約数和(自身を除く): 38123733

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 61987, 185961, 433909, 1301727, 3285311, 9855933, 22997177, 68991531]

約数ペア:

[(1, 68991531), (3, 22997177), (7, 9855933), (21, 3285311), (53, 1301727), (159, 433909), (371, 185961), (1113, 61987)]