218133639

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{7741}}^1$

素因数の和:7879

約数の個数: 24

約数和(自身を含む): 328508544

約数和(自身を除く): 110374905

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 909, 3131, 7741, 9393, 23223, 28179, 69669, 239971, 719913, 781841, 2159739, 2345523, 7036569, 24237071, 72711213, 218133639]

約数ペア:

[(1, 218133639), (3, 72711213), (9, 24237071), (31, 7036569), (93, 2345523), (101, 2159739), (279, 781841), (303, 719913), (909, 239971), (3131, 69669), (7741, 28179), (9393, 23223)]