13895469

素因数分解:

$3^6\times 7^2\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 42

約数和(自身を含む): 24297390

約数和(自身を除く): 10401921

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 389, 441, 567, 729, 1167, 1323, 1701, 2723, 3501, 3969, 5103, 8169, 10503, 11907, 19061, 24507, 31509, 35721, 57183, 73521, 94527, 171549, 220563, 283581, 514647, 661689, 1543941, 1985067, 4631823, 13895469]

約数ペア:

[(1, 13895469), (3, 4631823), (7, 1985067), (9, 1543941), (21, 661689), (27, 514647), (49, 283581), (63, 220563), (81, 171549), (147, 94527), (189, 73521), (243, 57183), (389, 35721), (441, 31509), (567, 24507), (729, 19061), (1167, 11907), (1323, 10503), (1701, 8169), (2723, 5103), (3501, 3969)]