155545917

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 209682432

約数和(自身を除く): 54136515

約数列:

[1, 3, 127, 381, 631, 647, 1893, 1941, 80137, 82169, 240411, 246507, 408257, 1224771, 51848639, 155545917]

約数ペア:

[(1, 155545917), (3, 51848639), (127, 1224771), (381, 408257), (631, 246507), (647, 240411), (1893, 82169), (1941, 80137)]