388635807

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{16421}}^1$

素因数の和:16468

約数の個数: 32

約数和(自身を含む): 630604800

約数和(自身を除く): 241968993

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 7889, 16421, 23667, 49263, 114947, 344841, 377683, 804629, 1133049, 2413887, 2643781, 5632403, 7931343, 16897209, 18506467, 55519401, 129545269, 388635807]

約数ペア:

[(1, 388635807), (3, 129545269), (7, 55519401), (21, 18506467), (23, 16897209), (49, 7931343), (69, 5632403), (147, 2643781), (161, 2413887), (343, 1133049), (483, 804629), (1029, 377683), (1127, 344841), (3381, 114947), (7889, 49263), (16421, 23667)]