204157779

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{69941}}^1$

素因数の和:70090

約数の個数: 16

約数和(自身を含む): 313340160

約数和(自身を除く): 109182381

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 69941, 209823, 489587, 1468761, 9721799, 29165397, 68052593, 204157779]

約数ペア:

[(1, 204157779), (3, 68052593), (7, 29165397), (21, 9721799), (139, 1468761), (417, 489587), (973, 209823), (2919, 69941)]