13001955

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5521}}^1$

素因数の和:5686

約数の個数: 16

約数和(自身を含む): 20939424

約数和(自身を除く): 7937469

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 5521, 16563, 27605, 82815, 866797, 2600391, 4333985, 13001955]

約数ペア:

[(1, 13001955), (3, 4333985), (5, 2600391), (15, 866797), (157, 82815), (471, 27605), (785, 16563), (2355, 5521)]