15889905

素因数分解:

$3^3\times 5^1\times {\mathrm{117703}}^1$

素因数の和:117717

約数の個数: 16

約数和(自身を含む): 28248960

約数和(自身を除く): 12359055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 117703, 353109, 588515, 1059327, 1765545, 3177981, 5296635, 15889905]

約数ペア:

[(1, 15889905), (3, 5296635), (5, 3177981), (9, 1765545), (15, 1059327), (27, 588515), (45, 353109), (135, 117703)]