42991299

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9931}}^1$

素因数の和:9987

約数の個数: 24

約数和(自身を含む): 68689712

約数和(自身を除く): 25698413

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 9931, 29793, 89379, 129103, 367447, 387309, 1102341, 1161927, 3307023, 4776811, 14330433, 42991299]

約数ペア:

[(1, 42991299), (3, 14330433), (9, 4776811), (13, 3307023), (37, 1161927), (39, 1102341), (111, 387309), (117, 367447), (333, 129103), (481, 89379), (1443, 29793), (4329, 9931)]