1288407519

素因数分解:

$3^3\times 7^2\times {\mathrm{973853}}^1$

素因数の和:973876

約数の個数: 24

約数和(自身を含む): 2220387120

約数和(自身を除く): 931979601

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 973853, 2921559, 6816971, 8764677, 20450913, 26294031, 47718797, 61352739, 143156391, 184058217, 429469173, 1288407519]

約数ペア:

[(1, 1288407519), (3, 429469173), (7, 184058217), (9, 143156391), (21, 61352739), (27, 47718797), (49, 26294031), (63, 20450913), (147, 8764677), (189, 6816971), (441, 2921559), (1323, 973853)]