12855969

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 21934080

約数和(自身を除く): 9078111

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 271, 753, 813, 1757, 1897, 2259, 2439, 5271, 5691, 6777, 7317, 15813, 17073, 47439, 51219, 68021, 204063, 476147, 612189, 1428441, 1836567, 4285323, 12855969]

約数ペア:

[(1, 12855969), (3, 4285323), (7, 1836567), (9, 1428441), (21, 612189), (27, 476147), (63, 204063), (189, 68021), (251, 51219), (271, 47439), (753, 17073), (813, 15813), (1757, 7317), (1897, 6777), (2259, 5691), (2439, 5271)]