20127190905

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{987353}}^1$

素因数の和:987518

約数の個数: 32

約数和(自身を含む): 36018673920

約数和(自身を除く): 15891483015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1359, 2265, 4077, 6795, 20385, 987353, 2962059, 4936765, 8886177, 14810295, 26658531, 44430885, 133292655, 149090303, 447270909, 745451515, 1341812727, 2236354545, 4025438181, 6709063635, 20127190905]

約数ペア:

[(1, 20127190905), (3, 6709063635), (5, 4025438181), (9, 2236354545), (15, 1341812727), (27, 745451515), (45, 447270909), (135, 149090303), (151, 133292655), (453, 44430885), (755, 26658531), (1359, 14810295), (2265, 8886177), (4077, 4936765), (6795, 2962059), (20385, 987353)]