28236987

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 42522480

約数和(自身を除く): 14285493

約数列:

[1, 3, 9, 41, 59, 123, 177, 369, 531, 1297, 2419, 3891, 7257, 11673, 21771, 53177, 76523, 159531, 229569, 478593, 688707, 3137443, 9412329, 28236987]

約数ペア:

[(1, 28236987), (3, 9412329), (9, 3137443), (41, 688707), (59, 478593), (123, 229569), (177, 159531), (369, 76523), (531, 53177), (1297, 21771), (2419, 11673), (3891, 7257)]