206887989

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3911}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 345507840

約数和(自身を除く): 138619851

約数列:

[1, 3, 7, 11, 21, 33, 77, 229, 231, 687, 1603, 2519, 3911, 4809, 7557, 11733, 17633, 27377, 43021, 52899, 82131, 129063, 301147, 895619, 903441, 2686857, 6269333, 9851809, 18807999, 29555427, 68962663, 206887989]

約数ペア:

[(1, 206887989), (3, 68962663), (7, 29555427), (11, 18807999), (21, 9851809), (33, 6269333), (77, 2686857), (229, 903441), (231, 895619), (687, 301147), (1603, 129063), (2519, 82131), (3911, 52899), (4809, 43021), (7557, 27377), (11733, 17633)]