64604775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 113389568

約数和(自身を除く): 48784793

約数列:

[1, 3, 5, 15, 25, 31, 37, 75, 93, 111, 155, 185, 465, 555, 751, 775, 925, 1147, 2253, 2325, 2775, 3441, 3755, 5735, 11265, 17205, 18775, 23281, 27787, 28675, 56325, 69843, 83361, 86025, 116405, 138935, 349215, 416805, 582025, 694675, 861397, 1746075, 2084025, 2584191, 4306985, 12920955, 21534925, 64604775]

約数ペア:

[(1, 64604775), (3, 21534925), (5, 12920955), (15, 4306985), (25, 2584191), (31, 2084025), (37, 1746075), (75, 861397), (93, 694675), (111, 582025), (155, 416805), (185, 349215), (465, 138935), (555, 116405), (751, 86025), (775, 83361), (925, 69843), (1147, 56325), (2253, 28675), (2325, 27787), (2775, 23281), (3441, 18775), (3755, 17205), (5735, 11265)]