51325911

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 94436160

約数和(自身を除く): 43110249

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2161, 2639, 3393, 6483, 7917, 15127, 19449, 23751, 28093, 45381, 62669, 84279, 136143, 188007, 196651, 252837, 438683, 564021, 589953, 814697, 1316049, 1769859, 2444091, 3948147, 5702879, 7332273, 17108637, 51325911]

約数ペア:

[(1, 51325911), (3, 17108637), (7, 7332273), (9, 5702879), (13, 3948147), (21, 2444091), (29, 1769859), (39, 1316049), (63, 814697), (87, 589953), (91, 564021), (117, 438683), (203, 252837), (261, 196651), (273, 188007), (377, 136143), (609, 84279), (819, 62669), (1131, 45381), (1827, 28093), (2161, 23751), (2639, 19449), (3393, 15127), (6483, 7917)]