28642641

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{691}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 39294528

約数和(自身を除く): 10651887

約数列:

[1, 3, 41, 123, 337, 691, 1011, 2073, 13817, 28331, 41451, 84993, 232867, 698601, 9547547, 28642641]

約数ペア:

[(1, 28642641), (3, 9547547), (41, 698601), (123, 232867), (337, 84993), (691, 41451), (1011, 28331), (2073, 13817)]