1728006903

素因数分解:

$3^2\times 7^4\times {\mathrm{79967}}^1$

素因数の和:80001

約数の個数: 30

約数和(自身を含む): 2911874784

約数和(自身を除く): 1183867881

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609, 79967, 239901, 559769, 719703, 1679307, 3918383, 5037921, 11755149, 27428681, 35265447, 82286043, 192000767, 246858129, 576002301, 1728006903]

約数ペア:

[(1, 1728006903), (3, 576002301), (7, 246858129), (9, 192000767), (21, 82286043), (49, 35265447), (63, 27428681), (147, 11755149), (343, 5037921), (441, 3918383), (1029, 1679307), (2401, 719703), (3087, 559769), (7203, 239901), (21609, 79967)]