78393015

素因数分解:

$3^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 144529920

約数和(自身を除く): 66136905

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 107, 135, 201, 243, 321, 335, 405, 535, 603, 729, 963, 1005, 1215, 1605, 1809, 2187, 2889, 3015, 3645, 4815, 5427, 7169, 8667, 9045, 10935, 14445, 16281, 21507, 26001, 27135, 35845, 43335, 48843, 64521, 78003, 81405, 107535, 130005, 146529, 193563, 234009, 244215, 322605, 390015, 580689, 732645, 967815, 1170045, 1742067, 2903445, 5226201, 8710335, 15678603, 26131005, 78393015]

約数ペア:

[(1, 78393015), (3, 26131005), (5, 15678603), (9, 8710335), (15, 5226201), (27, 2903445), (45, 1742067), (67, 1170045), (81, 967815), (107, 732645), (135, 580689), (201, 390015), (243, 322605), (321, 244215), (335, 234009), (405, 193563), (535, 146529), (603, 130005), (729, 107535), (963, 81405), (1005, 78003), (1215, 64521), (1605, 48843), (1809, 43335), (2187, 35845), (2889, 27135), (3015, 26001), (3645, 21507), (4815, 16281), (5427, 14445), (7169, 10935), (8667, 9045)]