205422903

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{9851}}^1$

素因数の和:10195

約数の個数: 24

約数和(自身を含む): 340169856

約数和(自身を除く): 134746953

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 9851, 20853, 29553, 68957, 88659, 206871, 620613, 3260681, 9782043, 22824767, 29346129, 68474301, 205422903]

約数ペア:

[(1, 205422903), (3, 68474301), (7, 29346129), (9, 22824767), (21, 9782043), (63, 3260681), (331, 620613), (993, 206871), (2317, 88659), (2979, 68957), (6951, 29553), (9851, 20853)]