19971963

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3011}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 31951296

約数和(自身を除く): 11979333

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 3011, 6633, 9033, 27099, 33121, 99363, 201737, 298089, 605211, 1815633, 2219107, 6657321, 19971963]

約数ペア:

[(1, 19971963), (3, 6657321), (9, 2219107), (11, 1815633), (33, 605211), (67, 298089), (99, 201737), (201, 99363), (603, 33121), (737, 27099), (2211, 9033), (3011, 6633)]