9720015

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4349}}^1$

素因数の和:4506

約数の個数: 16

約数和(自身を含む): 15660000

約数和(自身を除く): 5939985

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 4349, 13047, 21745, 65235, 648001, 1944003, 3240005, 9720015]

約数ペア:

[(1, 9720015), (3, 3240005), (5, 1944003), (15, 648001), (149, 65235), (447, 21745), (745, 13047), (2235, 4349)]