25011513

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 37596416

約数和(自身を除く): 12584903

約数列:

[1, 3, 9, 31, 93, 157, 279, 471, 571, 1413, 1713, 4867, 5139, 14601, 17701, 43803, 53103, 89647, 159309, 268941, 806823, 2779057, 8337171, 25011513]

約数ペア:

[(1, 25011513), (3, 8337171), (9, 2779057), (31, 806823), (93, 268941), (157, 159309), (279, 89647), (471, 53103), (571, 43803), (1413, 17701), (1713, 14601), (4867, 5139)]