128464329

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{10529}}^1$

素因数の和:10629

約数の個数: 24

約数和(自身を含む): 201670560

約数和(自身を除く): 73206231

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 10529, 12201, 31587, 73703, 221109, 515921, 873907, 1547763, 2621721, 6117349, 18352047, 42821443, 128464329]

約数ペア:

[(1, 128464329), (3, 42821443), (7, 18352047), (21, 6117349), (49, 2621721), (83, 1547763), (147, 873907), (249, 515921), (581, 221109), (1743, 73703), (4067, 31587), (10529, 12201)]