30989715

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8231}}^1$

素因数の和:8490

約数の個数: 16

約数和(自身を含む): 49787136

約数和(自身を除く): 18797421

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 8231, 24693, 41155, 123465, 2065981, 6197943, 10329905, 30989715]

約数ペア:

[(1, 30989715), (3, 10329905), (5, 6197943), (15, 2065981), (251, 123465), (753, 41155), (1255, 24693), (3765, 8231)]