27690579

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 48269312

約数和(自身を除く): 20578733

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 223, 243, 511, 567, 657, 669, 1533, 1561, 1701, 1971, 2007, 4599, 4683, 5913, 6021, 13797, 14049, 16279, 17739, 18063, 41391, 42147, 48837, 54189, 113953, 124173, 126441, 146511, 341859, 379323, 439533, 1025577, 1318599, 3076731, 3955797, 9230193, 27690579]

約数ペア:

[(1, 27690579), (3, 9230193), (7, 3955797), (9, 3076731), (21, 1318599), (27, 1025577), (63, 439533), (73, 379323), (81, 341859), (189, 146511), (219, 126441), (223, 124173), (243, 113953), (511, 54189), (567, 48837), (657, 42147), (669, 41391), (1533, 18063), (1561, 17739), (1701, 16279), (1971, 14049), (2007, 13797), (4599, 6021), (4683, 5913)]