81202625

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 126157824

約数和(自身を除く): 44955199

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 103, 119, 125, 175, 265, 371, 425, 515, 595, 721, 875, 901, 1325, 1751, 1855, 2125, 2575, 2975, 3605, 4505, 5459, 6307, 6625, 8755, 9275, 12257, 12875, 14875, 18025, 22525, 27295, 31535, 38213, 43775, 46375, 61285, 90125, 92803, 112625, 136475, 157675, 191065, 218875, 306425, 464015, 649621, 682375, 788375, 955325, 1532125, 2320075, 3248105, 4776625, 11600375, 16240525, 81202625]

約数ペア:

[(1, 81202625), (5, 16240525), (7, 11600375), (17, 4776625), (25, 3248105), (35, 2320075), (53, 1532125), (85, 955325), (103, 788375), (119, 682375), (125, 649621), (175, 464015), (265, 306425), (371, 218875), (425, 191065), (515, 157675), (595, 136475), (721, 112625), (875, 92803), (901, 90125), (1325, 61285), (1751, 46375), (1855, 43775), (2125, 38213), (2575, 31535), (2975, 27295), (3605, 22525), (4505, 18025), (5459, 14875), (6307, 12875), (6625, 12257), (8755, 9275)]