2047437

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 3670656

約数和(自身を除く): 1623219

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 157, 161, 189, 207, 471, 483, 567, 621, 1099, 1413, 1449, 1863, 3297, 3611, 4239, 4347, 9891, 10833, 12717, 13041, 25277, 29673, 32499, 75831, 89019, 97497, 227493, 292491, 682479, 2047437]

約数ペア:

[(1, 2047437), (3, 682479), (7, 292491), (9, 227493), (21, 97497), (23, 89019), (27, 75831), (63, 32499), (69, 29673), (81, 25277), (157, 13041), (161, 12717), (189, 10833), (207, 9891), (471, 4347), (483, 4239), (567, 3611), (621, 3297), (1099, 1863), (1413, 1449)]