28066635

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 24810165

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 67, 87, 107, 135, 145, 201, 261, 321, 335, 435, 535, 603, 783, 963, 1005, 1305, 1605, 1809, 1943, 2889, 3015, 3103, 3915, 4815, 5829, 7169, 9045, 9309, 9715, 14445, 15515, 17487, 21507, 27927, 29145, 35845, 46545, 52461, 64521, 83781, 87435, 107535, 139635, 193563, 207901, 262305, 322605, 418905, 623703, 967815, 1039505, 1871109, 3118515, 5613327, 9355545, 28066635]

約数ペア:

[(1, 28066635), (3, 9355545), (5, 5613327), (9, 3118515), (15, 1871109), (27, 1039505), (29, 967815), (45, 623703), (67, 418905), (87, 322605), (107, 262305), (135, 207901), (145, 193563), (201, 139635), (261, 107535), (321, 87435), (335, 83781), (435, 64521), (535, 52461), (603, 46545), (783, 35845), (963, 29145), (1005, 27927), (1305, 21507), (1605, 17487), (1809, 15515), (1943, 14445), (2889, 9715), (3015, 9309), (3103, 9045), (3915, 7169), (4815, 5829)]