31769787

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12713}}^1$

素因数の和:12747

約数の個数: 24

約数和(自身を含む): 52178256

約数和(自身を除く): 20408469

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 12713, 38139, 88991, 216121, 266973, 622937, 648363, 1512847, 1868811, 4538541, 10589929, 31769787]

約数ペア:

[(1, 31769787), (3, 10589929), (7, 4538541), (17, 1868811), (21, 1512847), (49, 648363), (51, 622937), (119, 266973), (147, 216121), (357, 88991), (833, 38139), (2499, 12713)]