28196973

素因数分解:

$3^2\times 7^1\times {\mathrm{447571}}^1$

素因数の和:447584

約数の個数: 12

約数和(自身を含む): 46547488

約数和(自身を除く): 18350515

約数列:

[1, 3, 7, 9, 21, 63, 447571, 1342713, 3132997, 4028139, 9398991, 28196973]

約数ペア:

[(1, 28196973), (3, 9398991), (7, 4028139), (9, 3132997), (21, 1342713), (63, 447571)]