28137261

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6199}}^1$

素因数の和:6308

約数の個数: 16

約数和(自身を含む): 40176000

約数和(自身を除く): 12038739

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 6199, 18597, 105383, 316149, 551711, 1655133, 9379087, 28137261]

約数ペア:

[(1, 28137261), (3, 9379087), (17, 1655133), (51, 551711), (89, 316149), (267, 105383), (1513, 18597), (4539, 6199)]