71635557

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 112186368

約数和(自身を除く): 40550811

約数列:

[1, 3, 7, 21, 73, 83, 219, 249, 511, 563, 581, 1533, 1689, 1743, 3941, 6059, 11823, 18177, 41099, 42413, 46729, 123297, 127239, 140187, 287693, 327103, 863079, 981309, 3411217, 10233651, 23878519, 71635557]

約数ペア:

[(1, 71635557), (3, 23878519), (7, 10233651), (21, 3411217), (73, 981309), (83, 863079), (219, 327103), (249, 287693), (511, 140187), (563, 127239), (581, 123297), (1533, 46729), (1689, 42413), (1743, 41099), (3941, 18177), (6059, 11823)]