261949863

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{123503}}^1$

素因数の和:123614

約数の個数: 16

約数和(自身を含む): 403117056

約数和(自身を除く): 141167193

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 123503, 370509, 864521, 2593563, 12473803, 37421409, 87316621, 261949863]

約数ペア:

[(1, 261949863), (3, 87316621), (7, 37421409), (21, 12473803), (101, 2593563), (303, 864521), (707, 370509), (2121, 123503)]