25427979

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{2237}}^1$

素因数の和:2667

約数の個数: 16

約数和(自身を含む): 37777440

約数和(自身を除く): 12349461

約数列:

[1, 3, 9, 27, 421, 1263, 2237, 3789, 6711, 11367, 20133, 60399, 941777, 2825331, 8475993, 25427979]

約数ペア:

[(1, 25427979), (3, 8475993), (9, 2825331), (27, 941777), (421, 60399), (1263, 20133), (2237, 11367), (3789, 6711)]