1767987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 3008544

約数和(自身を除く): 1240557

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 73, 81, 117, 207, 219, 299, 351, 621, 657, 897, 949, 1053, 1679, 1863, 1971, 2691, 2847, 5037, 5913, 8073, 8541, 15111, 21827, 24219, 25623, 45333, 65481, 76869, 135999, 196443, 589329, 1767987]

約数ペア:

[(1, 1767987), (3, 589329), (9, 196443), (13, 135999), (23, 76869), (27, 65481), (39, 45333), (69, 25623), (73, 24219), (81, 21827), (117, 15111), (207, 8541), (219, 8073), (299, 5913), (351, 5037), (621, 2847), (657, 2691), (897, 1971), (949, 1863), (1053, 1679)]