248366925

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^2\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 469464000

約数和(自身を除く): 221097075

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 199, 215, 225, 387, 597, 645, 675, 995, 1075, 1161, 1791, 1849, 1935, 2985, 3225, 4975, 5373, 5547, 5805, 8557, 8955, 9245, 9675, 14925, 16641, 25671, 26865, 27735, 29025, 42785, 44775, 46225, 49923, 77013, 83205, 128355, 134325, 138675, 213925, 231039, 249615, 367951, 385065, 416025, 641775, 1103853, 1155195, 1248075, 1839755, 1925325, 3311559, 5519265, 5775975, 9198775, 9934677, 16557795, 27596325, 49673385, 82788975, 248366925]

約数ペア:

[(1, 248366925), (3, 82788975), (5, 49673385), (9, 27596325), (15, 16557795), (25, 9934677), (27, 9198775), (43, 5775975), (45, 5519265), (75, 3311559), (129, 1925325), (135, 1839755), (199, 1248075), (215, 1155195), (225, 1103853), (387, 641775), (597, 416025), (645, 385065), (675, 367951), (995, 249615), (1075, 231039), (1161, 213925), (1791, 138675), (1849, 134325), (1935, 128355), (2985, 83205), (3225, 77013), (4975, 49923), (5373, 46225), (5547, 44775), (5805, 42785), (8557, 29025), (8955, 27735), (9245, 26865), (9675, 25671), (14925, 16641)]