204968979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{2383}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 312399360

約数和(自身を除く): 107430381

約数列:

[1, 3, 9, 19, 57, 171, 503, 1509, 2383, 4527, 7149, 9557, 21447, 28671, 45277, 86013, 135831, 407493, 1198649, 3595947, 10787841, 22774331, 68322993, 204968979]

約数ペア:

[(1, 204968979), (3, 68322993), (9, 22774331), (19, 10787841), (57, 3595947), (171, 1198649), (503, 407493), (1509, 135831), (2383, 86013), (4527, 45277), (7149, 28671), (9557, 21447)]