12647217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{877}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 20229120

約数和(自身を除く): 7581903

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 877, 1311, 2631, 4807, 9647, 14421, 16663, 20171, 28941, 49989, 60513, 183293, 221881, 383249, 549879, 665643, 1149747, 4215739, 12647217]

約数ペア:

[(1, 12647217), (3, 4215739), (11, 1149747), (19, 665643), (23, 549879), (33, 383249), (57, 221881), (69, 183293), (209, 60513), (253, 49989), (437, 28941), (627, 20171), (759, 16663), (877, 14421), (1311, 9647), (2631, 4807)]