31328787

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7349}}^1$

素因数の和:7395

約数の個数: 24

約数和(自身を含む): 50274000

約数和(自身を除く): 18945213

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 7349, 22047, 51443, 154329, 213121, 360101, 639363, 1080303, 1491847, 4475541, 10442929, 31328787]

約数ペア:

[(1, 31328787), (3, 10442929), (7, 4475541), (21, 1491847), (29, 1080303), (49, 639363), (87, 360101), (147, 213121), (203, 154329), (609, 51443), (1421, 22047), (4263, 7349)]