27388625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19945

約数の個数: 16

約数和(自身を含む): 37290240

約数和(自身を除く): 9901615

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 19919, 99595, 219109, 497975, 1095545, 2489875, 5477725, 27388625]

約数ペア:

[(1, 27388625), (5, 5477725), (11, 2489875), (25, 1095545), (55, 497975), (125, 219109), (275, 99595), (1375, 19919)]