31515393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 52519936

約数和(自身を除く): 21004543

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 1723, 2613, 5169, 6097, 12061, 18291, 22399, 36183, 67197, 115441, 156793, 346323, 470379, 808087, 1500733, 2424261, 4502199, 10505131, 31515393]

約数ペア:

[(1, 31515393), (3, 10505131), (7, 4502199), (13, 2424261), (21, 1500733), (39, 808087), (67, 470379), (91, 346323), (201, 156793), (273, 115441), (469, 67197), (871, 36183), (1407, 22399), (1723, 18291), (2613, 12061), (5169, 6097)]