28194399

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{3911}}^1$

素因数の和:4012

約数の個数: 20

約数和(自身を含む): 42601680

約数和(自身を除く): 14407281

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 3911, 7209, 11733, 35199, 105597, 316791, 348079, 1044237, 3132711, 9398133, 28194399]

約数ペア:

[(1, 28194399), (3, 9398133), (9, 3132711), (27, 1044237), (81, 348079), (89, 316791), (267, 105597), (801, 35199), (2403, 11733), (3911, 7209)]