28294215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43867}}^1$

素因数の和:43918

約数の個数: 16

約数和(自身を含む): 46324608

約数和(自身を除く): 18030393

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43867, 131601, 219335, 658005, 1886281, 5658843, 9431405, 28294215]

約数ペア:

[(1, 28294215), (3, 9431405), (5, 5658843), (15, 1886281), (43, 658005), (129, 219335), (215, 131601), (645, 43867)]