1389304845

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239329}}^1$

素因数の和:239386

約数の個数: 32

約数和(自身を含む): 2527324800

約数和(自身を除く): 1138019955

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 239329, 717987, 1196645, 2153961, 3589935, 6461883, 10291147, 10769805, 30873441, 32309415, 51455735, 92620323, 154367205, 277860969, 463101615, 1389304845]

約数ペア:

[(1, 1389304845), (3, 463101615), (5, 277860969), (9, 154367205), (15, 92620323), (27, 51455735), (43, 32309415), (45, 30873441), (129, 10769805), (135, 10291147), (215, 6461883), (387, 3589935), (645, 2153961), (1161, 1196645), (1935, 717987), (5805, 239329)]