17995905

素因数分解:

$3^3\times 5^1\times {\mathrm{133303}}^1$

素因数の和:133317

約数の個数: 16

約数和(自身を含む): 31992960

約数和(自身を除く): 13997055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133303, 399909, 666515, 1199727, 1999545, 3599181, 5998635, 17995905]

約数ペア:

[(1, 17995905), (3, 5998635), (5, 3599181), (9, 1999545), (15, 1199727), (27, 666515), (45, 399909), (135, 133303)]