15724149

素因数分解:

$3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 25545120

約数和(自身を除く): 9820971

約数列:

[1, 3, 7, 21, 37, 49, 59, 111, 147, 177, 259, 343, 413, 777, 1029, 1239, 1813, 2183, 2401, 2891, 5439, 6549, 7203, 8673, 12691, 15281, 20237, 38073, 45843, 60711, 88837, 106967, 141659, 266511, 320901, 424977, 748769, 2246307, 5241383, 15724149]

約数ペア:

[(1, 15724149), (3, 5241383), (7, 2246307), (21, 748769), (37, 424977), (49, 320901), (59, 266511), (111, 141659), (147, 106967), (177, 88837), (259, 60711), (343, 45843), (413, 38073), (777, 20237), (1029, 15281), (1239, 12691), (1813, 8673), (2183, 7203), (2401, 6549), (2891, 5439)]