2143827

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 3872000

約数和(自身を除く): 1728173

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 199, 399, 513, 567, 597, 1197, 1393, 1539, 1791, 3591, 3781, 4179, 5373, 10773, 11343, 12537, 16119, 26467, 34029, 37611, 79401, 102087, 112833, 238203, 306261, 714609, 2143827]

約数ペア:

[(1, 2143827), (3, 714609), (7, 306261), (9, 238203), (19, 112833), (21, 102087), (27, 79401), (57, 37611), (63, 34029), (81, 26467), (133, 16119), (171, 12537), (189, 11343), (199, 10773), (399, 5373), (513, 4179), (567, 3781), (597, 3591), (1197, 1791), (1393, 1539)]