25805871

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 47742240

約数和(自身を除く): 21936369

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 389, 567, 729, 819, 1053, 1167, 1701, 2457, 2723, 3159, 3501, 5057, 5103, 7371, 8169, 9477, 10503, 15171, 22113, 24507, 31509, 35399, 45513, 66339, 73521, 94527, 106197, 136539, 220563, 283581, 318591, 409617, 661689, 955773, 1228851, 1985067, 2867319, 3686553, 8601957, 25805871]

約数ペア:

[(1, 25805871), (3, 8601957), (7, 3686553), (9, 2867319), (13, 1985067), (21, 1228851), (27, 955773), (39, 661689), (63, 409617), (81, 318591), (91, 283581), (117, 220563), (189, 136539), (243, 106197), (273, 94527), (351, 73521), (389, 66339), (567, 45513), (729, 35399), (819, 31509), (1053, 24507), (1167, 22113), (1701, 15171), (2457, 10503), (2723, 9477), (3159, 8169), (3501, 7371), (5057, 5103)]