25971699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 14477325

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 911, 1677, 2193, 2733, 9503, 11843, 15487, 28509, 35529, 39173, 46461, 117519, 201331, 509249, 603993, 665941, 1527747, 1997823, 8657233, 25971699]

約数ペア:

[(1, 25971699), (3, 8657233), (13, 1997823), (17, 1527747), (39, 665941), (43, 603993), (51, 509249), (129, 201331), (221, 117519), (559, 46461), (663, 39173), (731, 35529), (911, 28509), (1677, 15487), (2193, 11843), (2733, 9503)]