80342505

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{37987}}^1$

素因数の和:38045

約数の個数: 24

約数和(自身を含む): 142227072

約数和(自身を除く): 61884567

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 37987, 113961, 189935, 341883, 569805, 1709415, 1785389, 5356167, 8926945, 16068501, 26780835, 80342505]

約数ペア:

[(1, 80342505), (3, 26780835), (5, 16068501), (9, 8926945), (15, 5356167), (45, 1785389), (47, 1709415), (141, 569805), (235, 341883), (423, 189935), (705, 113961), (2115, 37987)]