206897481

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{6529}}^1$

素因数の和:7045

約数の個数: 24

約数和(自身を含む): 342276480

約数和(自身を除く): 135378999

約数列:

[1, 3, 7, 9, 21, 63, 503, 1509, 3521, 4527, 6529, 10563, 19587, 31689, 45703, 58761, 137109, 411327, 3284087, 9852261, 22988609, 29556783, 68965827, 206897481]

約数ペア:

[(1, 206897481), (3, 68965827), (7, 29556783), (9, 22988609), (21, 9852261), (63, 3284087), (503, 411327), (1509, 137109), (3521, 58761), (4527, 45703), (6529, 31689), (10563, 19587)]