438872013

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1433}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 694056000

約数和(自身を除く): 255183987

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 199, 513, 597, 1433, 1539, 1791, 3781, 4299, 5373, 11343, 12897, 16119, 27227, 34029, 38691, 81681, 102087, 116073, 245043, 285167, 306261, 735129, 855501, 2205387, 2566503, 5418173, 7699509, 16254519, 23098527, 48763557, 146290671, 438872013]

約数ペア:

[(1, 438872013), (3, 146290671), (9, 48763557), (19, 23098527), (27, 16254519), (57, 7699509), (81, 5418173), (171, 2566503), (199, 2205387), (513, 855501), (597, 735129), (1433, 306261), (1539, 285167), (1791, 245043), (3781, 116073), (4299, 102087), (5373, 81681), (11343, 38691), (12897, 34029), (16119, 27227)]