390663

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 731808

約数和(自身を除く): 341145

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 63, 81, 91, 117, 159, 189, 273, 351, 371, 477, 567, 689, 819, 1053, 1113, 1431, 2067, 2457, 3339, 4293, 4823, 6201, 7371, 10017, 14469, 18603, 30051, 43407, 55809, 130221, 390663]

約数ペア:

[(1, 390663), (3, 130221), (7, 55809), (9, 43407), (13, 30051), (21, 18603), (27, 14469), (39, 10017), (53, 7371), (63, 6201), (81, 4823), (91, 4293), (117, 3339), (159, 2457), (189, 2067), (273, 1431), (351, 1113), (371, 1053), (477, 819), (567, 689)]