20161121157

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{35267}}^1$

素因数の和:35990

約数の個数: 32

約数和(自身を含む): 30877839360

約数和(自身を除く): 10716718203

約数列:

[1, 3, 9, 27, 31, 93, 279, 683, 837, 2049, 6147, 18441, 21173, 35267, 63519, 105801, 190557, 317403, 571671, 952209, 1093277, 3279831, 9839493, 24087361, 29518479, 72262083, 216786249, 650358747, 746708191, 2240124573, 6720373719, 20161121157]

約数ペア:

[(1, 20161121157), (3, 6720373719), (9, 2240124573), (27, 746708191), (31, 650358747), (93, 216786249), (279, 72262083), (683, 29518479), (837, 24087361), (2049, 9839493), (6147, 3279831), (18441, 1093277), (21173, 952209), (35267, 571671), (63519, 317403), (105801, 190557)]