153999725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{50909}}^1$

素因数の和:50941

約数の個数: 18

約数和(自身を含む): 209901930

約数和(自身を除く): 55902205

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 50909, 254545, 559999, 1272725, 2799995, 6159989, 13999975, 30799945, 153999725]

約数ペア:

[(1, 153999725), (5, 30799945), (11, 13999975), (25, 6159989), (55, 2799995), (121, 1272725), (275, 559999), (605, 254545), (3025, 50909)]