1900857

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 3007776

約数和(自身を除く): 1106919

約数列:

[1, 3, 7, 21, 49, 67, 147, 193, 201, 469, 579, 1351, 1407, 3283, 4053, 9457, 9849, 12931, 28371, 38793, 90517, 271551, 633619, 1900857]

約数ペア:

[(1, 1900857), (3, 633619), (7, 271551), (21, 90517), (49, 38793), (67, 28371), (147, 12931), (193, 9849), (201, 9457), (469, 4053), (579, 3283), (1351, 1407)]