12719763

素因数分解:

$3^2\times 7^2\times {\mathrm{28843}}^1$

素因数の和:28863

約数の個数: 18

約数和(自身を含む): 21373404

約数和(自身を除く): 8653641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28843, 86529, 201901, 259587, 605703, 1413307, 1817109, 4239921, 12719763]

約数ペア:

[(1, 12719763), (3, 4239921), (7, 1817109), (9, 1413307), (21, 605703), (49, 259587), (63, 201901), (147, 86529), (441, 28843)]