261776229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12983}}^1$

素因数の和:13057

約数の個数: 32

約数和(自身を含む): 418811904

約数和(自身を除く): 157035675

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 6721, 12983, 20163, 38949, 142813, 168779, 428439, 506337, 610201, 1830603, 1856569, 5569707, 6712211, 7932613, 20136633, 23797839, 87258743, 261776229]

約数ペア:

[(1, 261776229), (3, 87258743), (11, 23797839), (13, 20136633), (33, 7932613), (39, 6712211), (47, 5569707), (141, 1856569), (143, 1830603), (429, 610201), (517, 506337), (611, 428439), (1551, 168779), (1833, 142813), (6721, 38949), (12983, 20163)]