25201809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{503}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 13323951

約数列:

[1, 3, 9, 19, 57, 171, 293, 503, 879, 1509, 2637, 4527, 5567, 9557, 16701, 28671, 50103, 86013, 147379, 442137, 1326411, 2800201, 8400603, 25201809]

約数ペア:

[(1, 25201809), (3, 8400603), (9, 2800201), (19, 1326411), (57, 442137), (171, 147379), (293, 86013), (503, 50103), (879, 28671), (1509, 16701), (2637, 9557), (4527, 5567)]