28370355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 49578816

約数和(自身を除く): 21208461

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1095, 1993, 2847, 4745, 5979, 9965, 14235, 25909, 29895, 77727, 129545, 145489, 388635, 436467, 727445, 1891357, 2182335, 5674071, 9456785, 28370355]

約数ペア:

[(1, 28370355), (3, 9456785), (5, 5674071), (13, 2182335), (15, 1891357), (39, 727445), (65, 436467), (73, 388635), (195, 145489), (219, 129545), (365, 77727), (949, 29895), (1095, 25909), (1993, 14235), (2847, 9965), (4745, 5979)]