28242591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1487}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 40664064

約数和(自身を除く): 12421473

約数列:

[1, 3, 13, 39, 487, 1461, 1487, 4461, 6331, 18993, 19331, 57993, 724169, 2172507, 9414197, 28242591]

約数ペア:

[(1, 28242591), (3, 9414197), (13, 2172507), (39, 724169), (487, 57993), (1461, 19331), (1487, 18993), (4461, 6331)]