1796757921

素因数分解:

$3^2\times 7^2\times {\mathrm{4074281}}^1$

素因数の和:4074301

約数の個数: 18

約数和(自身を含む): 3019042962

約数和(自身を除く): 1222285041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4074281, 12222843, 28519967, 36668529, 85559901, 199639769, 256679703, 598919307, 1796757921]

約数ペア:

[(1, 1796757921), (3, 598919307), (7, 256679703), (9, 199639769), (21, 85559901), (49, 36668529), (63, 28519967), (147, 12222843), (441, 4074281)]