81551511

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1409}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 120978000

約数和(自身を除く): 39426489

約数列:

[1, 3, 9, 59, 109, 177, 327, 531, 981, 1409, 4227, 6431, 12681, 19293, 57879, 83131, 153581, 249393, 460743, 748179, 1382229, 9061279, 27183837, 81551511]

約数ペア:

[(1, 81551511), (3, 27183837), (9, 9061279), (59, 1382229), (109, 748179), (177, 460743), (327, 249393), (531, 153581), (981, 83131), (1409, 57879), (4227, 19293), (6431, 12681)]