153996955

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{7573}}^1$

素因数の和:7675

約数の個数: 24

約数和(自身を含む): 217585872

約数和(自身を除く): 63588917

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2905, 4067, 7573, 20335, 37865, 53011, 265055, 371077, 628559, 1855385, 3142795, 4399913, 21999565, 30799391, 153996955]

約数ペア:

[(1, 153996955), (5, 30799391), (7, 21999565), (35, 4399913), (49, 3142795), (83, 1855385), (245, 628559), (415, 371077), (581, 265055), (2905, 53011), (4067, 37865), (7573, 20335)]