2991219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 5197824

約数和(自身を除く): 2206605

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 563, 759, 1689, 1771, 3941, 5313, 6193, 11823, 12949, 18579, 38847, 43351, 90643, 130053, 142439, 271929, 427317, 997073, 2991219]

約数ペア:

[(1, 2991219), (3, 997073), (7, 427317), (11, 271929), (21, 142439), (23, 130053), (33, 90643), (69, 43351), (77, 38847), (161, 18579), (231, 12949), (253, 11823), (483, 6193), (563, 5313), (759, 3941), (1689, 1771)]