311938065

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1583}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 563397120

約数和(自身を除く): 251459055

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 151, 261, 435, 453, 755, 1305, 1359, 1583, 2265, 4379, 4749, 6795, 7915, 13137, 14247, 21895, 23745, 39411, 45907, 65685, 71235, 137721, 197055, 229535, 239033, 413163, 688605, 717099, 1195165, 2065815, 2151297, 3585495, 6931957, 10756485, 20795871, 34659785, 62387613, 103979355, 311938065]

約数ペア:

[(1, 311938065), (3, 103979355), (5, 62387613), (9, 34659785), (15, 20795871), (29, 10756485), (45, 6931957), (87, 3585495), (145, 2151297), (151, 2065815), (261, 1195165), (435, 717099), (453, 688605), (755, 413163), (1305, 239033), (1359, 229535), (1583, 197055), (2265, 137721), (4379, 71235), (4749, 65685), (6795, 45907), (7915, 39411), (13137, 23745), (14247, 21895)]