25521153

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 15029247

約数列:

[1, 3, 7, 21, 31, 93, 197, 199, 217, 591, 597, 651, 1379, 1393, 4137, 4179, 6107, 6169, 18321, 18507, 39203, 42749, 43183, 117609, 128247, 129549, 274421, 823263, 1215293, 3645879, 8507051, 25521153]

約数ペア:

[(1, 25521153), (3, 8507051), (7, 3645879), (21, 1215293), (31, 823263), (93, 274421), (197, 129549), (199, 128247), (217, 117609), (591, 43183), (597, 42749), (651, 39203), (1379, 18507), (1393, 18321), (4137, 6169), (4179, 6107)]