221540982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2840269}}^1$

素因数の和:2840287

約数の個数: 16

約数和(自身を含む): 477165360

約数和(自身を除く): 255624378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2840269, 5680538, 8520807, 17041614, 36923497, 73846994, 110770491, 221540982]

約数ペア:

[(1, 221540982), (2, 110770491), (3, 73846994), (6, 36923497), (13, 17041614), (26, 8520807), (39, 5680538), (78, 2840269)]