426470499

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{520721}}^1$

素因数の和:520747

約数の個数: 24

約数和(自身を含む): 758171232

約数和(自身を除く): 331700733

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 520721, 1562163, 3645047, 4686489, 6769373, 10935141, 20308119, 32805423, 47385611, 60924357, 142156833, 426470499]

約数ペア:

[(1, 426470499), (3, 142156833), (7, 60924357), (9, 47385611), (13, 32805423), (21, 20308119), (39, 10935141), (63, 6769373), (91, 4686489), (117, 3645047), (273, 1562163), (819, 520721)]