199470621

素因数分解:

$3^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{1301}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 312480000

約数和(自身を除く): 113009379

約数列:

[1, 3, 7, 21, 49, 147, 149, 343, 447, 1029, 1043, 1301, 3129, 3903, 7301, 9107, 21903, 27321, 51107, 63749, 153321, 191247, 193849, 446243, 581547, 1338729, 1356943, 4070829, 9498601, 28495803, 66490207, 199470621]

約数ペア:

[(1, 199470621), (3, 66490207), (7, 28495803), (21, 9498601), (49, 4070829), (147, 1356943), (149, 1338729), (343, 581547), (447, 446243), (1029, 193849), (1043, 191247), (1301, 153321), (3129, 63749), (3903, 51107), (7301, 27321), (9107, 21903)]