261837981

素因数分解:

$3^3\times {\mathrm{653}}^1\times {\mathrm{14851}}^1$

素因数の和:15513

約数の個数: 16

約数和(自身を含む): 388528320

約数和(自身を除く): 126690339

約数列:

[1, 3, 9, 27, 653, 1959, 5877, 14851, 17631, 44553, 133659, 400977, 9697703, 29093109, 87279327, 261837981]

約数ペア:

[(1, 261837981), (3, 87279327), (9, 29093109), (27, 9697703), (653, 400977), (1959, 133659), (5877, 44553), (14851, 17631)]