81556939

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 94279680

約数和(自身を除く): 12722741

約数列:

[1, 17, 31, 43, 59, 61, 527, 731, 1003, 1037, 1333, 1829, 1891, 2537, 2623, 3599, 22661, 31093, 32147, 43129, 44591, 61183, 78647, 81313, 111569, 154757, 1336999, 1382321, 1896673, 2630869, 4797467, 81556939]

約数ペア:

[(1, 81556939), (17, 4797467), (31, 2630869), (43, 1896673), (59, 1382321), (61, 1336999), (527, 154757), (731, 111569), (1003, 81313), (1037, 78647), (1333, 61183), (1829, 44591), (1891, 43129), (2537, 32147), (2623, 31093), (3599, 22661)]