2538837

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 4651200

約数和(自身を除く): 2112363

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 101, 133, 147, 171, 189, 303, 399, 441, 513, 707, 909, 931, 1197, 1323, 1919, 2121, 2727, 2793, 3591, 4949, 5757, 6363, 8379, 13433, 14847, 17271, 19089, 25137, 40299, 44541, 51813, 94031, 120897, 133623, 282093, 362691, 846279, 2538837]

約数ペア:

[(1, 2538837), (3, 846279), (7, 362691), (9, 282093), (19, 133623), (21, 120897), (27, 94031), (49, 51813), (57, 44541), (63, 40299), (101, 25137), (133, 19089), (147, 17271), (171, 14847), (189, 13433), (303, 8379), (399, 6363), (441, 5757), (513, 4949), (707, 3591), (909, 2793), (931, 2727), (1197, 2121), (1323, 1919)]