31874481

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3581}}^1$

素因数の和:3653

約数の個数: 24

約数和(自身を含む): 49173696

約数和(自身を除く): 17299215

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 3581, 8901, 10743, 32229, 82363, 153983, 247089, 461949, 741267, 1385847, 3541609, 10624827, 31874481]

約数ペア:

[(1, 31874481), (3, 10624827), (9, 3541609), (23, 1385847), (43, 741267), (69, 461949), (129, 247089), (207, 153983), (387, 82363), (989, 32229), (2967, 10743), (3581, 8901)]