42881319

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 69670832

約数和(自身を除く): 26789513

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 193, 211, 351, 579, 633, 1053, 1737, 1899, 2509, 2743, 5211, 5697, 7527, 8229, 15633, 17091, 22581, 24687, 40723, 67743, 74061, 122169, 203229, 222183, 366507, 529399, 1099521, 1588197, 3298563, 4764591, 14293773, 42881319]

約数ペア:

[(1, 42881319), (3, 14293773), (9, 4764591), (13, 3298563), (27, 1588197), (39, 1099521), (81, 529399), (117, 366507), (193, 222183), (211, 203229), (351, 122169), (579, 74061), (633, 67743), (1053, 40723), (1737, 24687), (1899, 22581), (2509, 17091), (2743, 15633), (5211, 8229), (5697, 7527)]