28068453

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 21352347

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 179, 393, 399, 537, 917, 1179, 1197, 1253, 1611, 2489, 2751, 3401, 3759, 7467, 8253, 10203, 11277, 17423, 22401, 23449, 23807, 30609, 52269, 70347, 71421, 156807, 164143, 211041, 214263, 445531, 492429, 1336593, 1477287, 3118717, 4009779, 9356151, 28068453]

約数ペア:

[(1, 28068453), (3, 9356151), (7, 4009779), (9, 3118717), (19, 1477287), (21, 1336593), (57, 492429), (63, 445531), (131, 214263), (133, 211041), (171, 164143), (179, 156807), (393, 71421), (399, 70347), (537, 52269), (917, 30609), (1179, 23807), (1197, 23449), (1253, 22401), (1611, 17423), (2489, 11277), (2751, 10203), (3401, 8253), (3759, 7467)]