243906957

素因数分解:

$3^4\times 7^3\times {\mathrm{8779}}^1$

素因数の和:8812

約数の個数: 40

約数和(自身を含む): 424952000

約数和(自身を除く): 181045043

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 8779, 9261, 26337, 27783, 61453, 79011, 184359, 237033, 430171, 553077, 711099, 1290513, 1659231, 3011197, 3871539, 4977693, 9033591, 11614617, 27100773, 34843851, 81302319, 243906957]

約数ペア:

[(1, 243906957), (3, 81302319), (7, 34843851), (9, 27100773), (21, 11614617), (27, 9033591), (49, 4977693), (63, 3871539), (81, 3011197), (147, 1659231), (189, 1290513), (343, 711099), (441, 553077), (567, 430171), (1029, 237033), (1323, 184359), (3087, 79011), (3969, 61453), (8779, 27783), (9261, 26337)]