30991605

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48049}}^1$

素因数の和:48100

約数の個数: 16

約数和(自身を含む): 50740800

約数和(自身を除く): 19749195

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 48049, 144147, 240245, 720735, 2066107, 6198321, 10330535, 30991605]

約数ペア:

[(1, 30991605), (3, 10330535), (5, 6198321), (15, 2066107), (43, 720735), (129, 240245), (215, 144147), (645, 48049)]