201241789

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 240641280

約数和(自身を除く): 39399491

約数列:

[1, 7, 23, 161, 421, 2947, 2969, 9683, 20783, 67781, 68287, 478009, 1249949, 8749643, 28748827, 201241789]

約数ペア:

[(1, 201241789), (7, 28748827), (23, 8749643), (161, 1249949), (421, 478009), (2947, 68287), (2969, 67781), (9683, 20783)]