31128309

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6617

約数の個数: 24

約数和(自身を含む): 49151232

約数和(自身を除く): 18022923

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 6563, 19689, 59067, 111571, 203453, 334713, 610359, 1004139, 1831077, 3458701, 10376103, 31128309]

約数ペア:

[(1, 31128309), (3, 10376103), (9, 3458701), (17, 1831077), (31, 1004139), (51, 610359), (93, 334713), (153, 203453), (279, 111571), (527, 59067), (1581, 19689), (4743, 6563)]