16615821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{937}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 23232384

約数和(自身を除く): 6616563

約数列:

[1, 3, 23, 69, 257, 771, 937, 2811, 5911, 17733, 21551, 64653, 240809, 722427, 5538607, 16615821]

約数ペア:

[(1, 16615821), (3, 5538607), (23, 722427), (69, 240809), (257, 64653), (771, 21551), (937, 17733), (2811, 5911)]