42249519

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{40123}}^1$

素因数の和:40148

約数の個数: 20

約数和(自身を含む): 67970056

約数和(自身を除く): 25720537

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 40123, 120369, 361107, 521599, 1083321, 1564797, 3249963, 4694391, 14083173, 42249519]

約数ペア:

[(1, 42249519), (3, 14083173), (9, 4694391), (13, 3249963), (27, 1564797), (39, 1083321), (81, 521599), (117, 361107), (351, 120369), (1053, 40123)]