274342545

素因数分解:

$3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1609}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 493258920

約数和(自身を除く): 218916375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 421, 1263, 1609, 2105, 3789, 4827, 6315, 8045, 11367, 14481, 18945, 24135, 34101, 43443, 56835, 72405, 130329, 170505, 217215, 651645, 677389, 2032167, 3386945, 6096501, 10160835, 18289503, 30482505, 54868509, 91447515, 274342545]

約数ペア:

[(1, 274342545), (3, 91447515), (5, 54868509), (9, 30482505), (15, 18289503), (27, 10160835), (45, 6096501), (81, 3386945), (135, 2032167), (405, 677389), (421, 651645), (1263, 217215), (1609, 170505), (2105, 130329), (3789, 72405), (4827, 56835), (6315, 43443), (8045, 34101), (11367, 24135), (14481, 18945)]