28891401

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 48362496

約数和(自身を除く): 19471095

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 543, 691, 1267, 1991, 2073, 3801, 4837, 5973, 7601, 13937, 14511, 22803, 41811, 53207, 125071, 159621, 375213, 875497, 1375781, 2626491, 4127343, 9630467, 28891401]

約数ペア:

[(1, 28891401), (3, 9630467), (7, 4127343), (11, 2626491), (21, 1375781), (33, 875497), (77, 375213), (181, 159621), (231, 125071), (543, 53207), (691, 41811), (1267, 22803), (1991, 14511), (2073, 13937), (3801, 7601), (4837, 5973)]