80835165

素因数分解:

$3^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:421

約数の個数: 56

約数和(自身を含む): 148053408

約数和(自身を除く): 67218243

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 135, 201, 243, 331, 335, 405, 603, 729, 993, 1005, 1215, 1655, 1809, 2979, 3015, 3645, 4965, 5427, 8937, 9045, 14895, 16281, 22177, 26811, 27135, 44685, 48843, 66531, 80433, 81405, 110885, 134055, 199593, 241299, 244215, 332655, 402165, 598779, 997965, 1206495, 1796337, 2993895, 5389011, 8981685, 16167033, 26945055, 80835165]

約数ペア:

[(1, 80835165), (3, 26945055), (5, 16167033), (9, 8981685), (15, 5389011), (27, 2993895), (45, 1796337), (67, 1206495), (81, 997965), (135, 598779), (201, 402165), (243, 332655), (331, 244215), (335, 241299), (405, 199593), (603, 134055), (729, 110885), (993, 81405), (1005, 80433), (1215, 66531), (1655, 48843), (1809, 44685), (2979, 27135), (3015, 26811), (3645, 22177), (4965, 16281), (5427, 14895), (8937, 9045)]