28147446

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 66147840

約数和(自身を除く): 38000394

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 131, 138, 173, 207, 262, 346, 393, 414, 519, 621, 786, 1038, 1179, 1242, 1557, 2358, 3013, 3114, 3537, 3979, 4671, 6026, 7074, 7958, 9039, 9342, 11937, 18078, 22663, 23874, 27117, 35811, 45326, 54234, 67989, 71622, 81351, 107433, 135978, 162702, 203967, 214866, 407934, 521249, 611901, 1042498, 1223802, 1563747, 3127494, 4691241, 9382482, 14073723, 28147446]

約数ペア:

[(1, 28147446), (2, 14073723), (3, 9382482), (6, 4691241), (9, 3127494), (18, 1563747), (23, 1223802), (27, 1042498), (46, 611901), (54, 521249), (69, 407934), (131, 214866), (138, 203967), (173, 162702), (207, 135978), (262, 107433), (346, 81351), (393, 71622), (414, 67989), (519, 54234), (621, 45326), (786, 35811), (1038, 27117), (1179, 23874), (1242, 22663), (1557, 18078), (2358, 11937), (3013, 9342), (3114, 9039), (3537, 7958), (3979, 7074), (4671, 6026)]