18636675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33426432

約数和(自身を除く): 14789757

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 311, 425, 705, 799, 933, 1175, 1275, 1555, 2397, 3525, 3995, 4665, 5287, 7775, 11985, 14617, 15861, 19975, 23325, 26435, 43851, 59925, 73085, 79305, 132175, 219255, 248489, 365425, 396525, 745467, 1096275, 1242445, 3727335, 6212225, 18636675]

約数ペア:

[(1, 18636675), (3, 6212225), (5, 3727335), (15, 1242445), (17, 1096275), (25, 745467), (47, 396525), (51, 365425), (75, 248489), (85, 219255), (141, 132175), (235, 79305), (255, 73085), (311, 59925), (425, 43851), (705, 26435), (799, 23325), (933, 19975), (1175, 15861), (1275, 14617), (1555, 11985), (2397, 7775), (3525, 5287), (3995, 4665)]