17969715

素因数分解:

$3^3\times 5^1\times {\mathrm{133109}}^1$

素因数の和:133123

約数の個数: 16

約数和(自身を含む): 31946400

約数和(自身を除く): 13976685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133109, 399327, 665545, 1197981, 1996635, 3593943, 5989905, 17969715]

約数ペア:

[(1, 17969715), (3, 5989905), (5, 3593943), (9, 1996635), (15, 1197981), (27, 665545), (45, 399327), (135, 133109)]