154889217

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{31121}}^1$

素因数の和:31213

約数の個数: 24

約数和(自身を含む): 258935040

約数和(自身を除く): 104045823

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 31121, 93363, 217847, 280089, 653541, 1960623, 2458559, 7375677, 17209913, 22127031, 51629739, 154889217]

約数ペア:

[(1, 154889217), (3, 51629739), (7, 22127031), (9, 17209913), (21, 7375677), (63, 2458559), (79, 1960623), (237, 653541), (553, 280089), (711, 217847), (1659, 93363), (4977, 31121)]