28192959

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 42556800

約数和(自身を除く): 14363841

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 981, 991, 2973, 3161, 8919, 9483, 28449, 28739, 86217, 108019, 258651, 324057, 972171, 3132551, 9397653, 28192959]

約数ペア:

[(1, 28192959), (3, 9397653), (9, 3132551), (29, 972171), (87, 324057), (109, 258651), (261, 108019), (327, 86217), (981, 28739), (991, 28449), (2973, 9483), (3161, 8919)]