31129209

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 47665800

約数和(自身を除く): 16536591

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 2909, 3567, 8727, 10701, 26181, 84361, 119269, 253083, 357807, 759249, 1073421, 3458801, 10376403, 31129209]

約数ペア:

[(1, 31129209), (3, 10376403), (9, 3458801), (29, 1073421), (41, 759249), (87, 357807), (123, 253083), (261, 119269), (369, 84361), (1189, 26181), (2909, 10701), (3567, 8727)]