28888641

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 14441919

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 991, 2973, 3239, 8919, 9717, 29151, 40631, 78289, 121893, 234867, 365679, 704601, 3209849, 9629547, 28888641]

約数ペア:

[(1, 28888641), (3, 9629547), (9, 3209849), (41, 704601), (79, 365679), (123, 234867), (237, 121893), (369, 78289), (711, 40631), (991, 29151), (2973, 9717), (3239, 8919)]