28600575

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 20896257

約数列:

[1, 3, 5, 15, 25, 41, 71, 75, 123, 131, 205, 213, 355, 393, 615, 655, 1025, 1065, 1775, 1965, 2911, 3075, 3275, 5325, 5371, 8733, 9301, 9825, 14555, 16113, 26855, 27903, 43665, 46505, 72775, 80565, 134275, 139515, 218325, 232525, 381341, 402825, 697575, 1144023, 1906705, 5720115, 9533525, 28600575]

約数ペア:

[(1, 28600575), (3, 9533525), (5, 5720115), (15, 1906705), (25, 1144023), (41, 697575), (71, 402825), (75, 381341), (123, 232525), (131, 218325), (205, 139515), (213, 134275), (355, 80565), (393, 72775), (615, 46505), (655, 43665), (1025, 27903), (1065, 26855), (1775, 16113), (1965, 14555), (2911, 9825), (3075, 9301), (3275, 8733), (5325, 5371)]