15704721

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 23422464

約数和(自身を除く): 7717743

約数列:

[1, 3, 9, 47, 137, 141, 271, 411, 423, 813, 1233, 2439, 6439, 12737, 19317, 37127, 38211, 57951, 111381, 114633, 334143, 1744969, 5234907, 15704721]

約数ペア:

[(1, 15704721), (3, 5234907), (9, 1744969), (47, 334143), (137, 114633), (141, 111381), (271, 57951), (411, 38211), (423, 37127), (813, 19317), (1233, 12737), (2439, 6439)]