209871129

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{2287}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 304816512

約数和(自身を除く): 94945383

約数列:

[1, 3, 13, 39, 169, 181, 507, 543, 2287, 2353, 6861, 7059, 29731, 30589, 89193, 91767, 386503, 413947, 1159509, 1241841, 5381311, 16143933, 69957043, 209871129]

約数ペア:

[(1, 209871129), (3, 69957043), (13, 16143933), (39, 5381311), (169, 1241841), (181, 1159509), (507, 413947), (543, 386503), (2287, 91767), (2353, 89193), (6861, 30589), (7059, 29731)]