27141890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20719}}^1$

素因数の和:20857

約数の個数: 16

約数和(自身を含む): 49230720

約数和(自身を除く): 22088830

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20719, 41438, 103595, 207190, 2714189, 5428378, 13570945, 27141890]

約数ペア:

[(1, 27141890), (2, 13570945), (5, 5428378), (10, 2714189), (131, 207190), (262, 103595), (655, 41438), (1310, 20719)]