25170327

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 45467968

約数和(自身を除く): 20297641

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 421, 511, 657, 819, 949, 1263, 1533, 2847, 2947, 3789, 4599, 5473, 6643, 8541, 8841, 16419, 19929, 26523, 30733, 38311, 49257, 59787, 92199, 114933, 215131, 276597, 344799, 399529, 645393, 1198587, 1936179, 2796703, 3595761, 8390109, 25170327]

約数ペア:

[(1, 25170327), (3, 8390109), (7, 3595761), (9, 2796703), (13, 1936179), (21, 1198587), (39, 645393), (63, 399529), (73, 344799), (91, 276597), (117, 215131), (219, 114933), (273, 92199), (421, 59787), (511, 49257), (657, 38311), (819, 30733), (949, 26523), (1263, 19929), (1533, 16419), (2847, 8841), (2947, 8541), (3789, 6643), (4599, 5473)]