218820453987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{3106877}}^1$

素因数の和:3108278

約数の個数: 16

約数和(自身を含む): 309146788512

約数和(自身を除く): 90326334525

約数列:

[1, 3, 17, 51, 1381, 4143, 23477, 70431, 3106877, 9320631, 52816909, 158450727, 4290597137, 12871791411, 72940151329, 218820453987]

約数ペア:

[(1, 218820453987), (3, 72940151329), (17, 12871791411), (51, 4290597137), (1381, 158450727), (4143, 52816909), (23477, 9320631), (70431, 3106877)]