13420719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 21005712

約数和(自身を除く): 7584993

約数列:

[1, 3, 9, 13, 39, 117, 251, 457, 753, 1371, 2259, 3263, 4113, 5941, 9789, 17823, 29367, 53469, 114707, 344121, 1032363, 1491191, 4473573, 13420719]

約数ペア:

[(1, 13420719), (3, 4473573), (9, 1491191), (13, 1032363), (39, 344121), (117, 114707), (251, 53469), (457, 29367), (753, 17823), (1371, 9789), (2259, 5941), (3263, 4113)]