31232439

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 53168640

約数和(自身を除く): 21936201

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 643, 771, 1799, 1929, 2313, 4501, 5397, 5787, 6939, 13503, 16191, 17361, 40509, 48573, 121527, 165251, 495753, 1156757, 1487259, 3470271, 4461777, 10410813, 31232439]

約数ペア:

[(1, 31232439), (3, 10410813), (7, 4461777), (9, 3470271), (21, 1487259), (27, 1156757), (63, 495753), (189, 165251), (257, 121527), (643, 48573), (771, 40509), (1799, 17361), (1929, 16191), (2313, 13503), (4501, 6939), (5397, 5787)]