31239873

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17099}}^1$

素因数の和:17141

約数の個数: 24

約数和(自身を含む): 53352000

約数和(自身を除く): 22112127

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 17099, 51297, 119693, 153891, 359079, 495871, 1077237, 1487613, 3471097, 4462839, 10413291, 31239873]

約数ペア:

[(1, 31239873), (3, 10413291), (7, 4462839), (9, 3471097), (21, 1487613), (29, 1077237), (63, 495871), (87, 359079), (203, 153891), (261, 119693), (609, 51297), (1827, 17099)]