326781

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 638400

約数和(自身を除く): 311619

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 49, 57, 63, 91, 117, 133, 147, 171, 189, 247, 273, 351, 399, 441, 513, 637, 741, 819, 931, 1197, 1323, 1729, 1911, 2223, 2457, 2793, 3591, 5187, 5733, 6669, 8379, 12103, 15561, 17199, 25137, 36309, 46683, 108927, 326781]

約数ペア:

[(1, 326781), (3, 108927), (7, 46683), (9, 36309), (13, 25137), (19, 17199), (21, 15561), (27, 12103), (39, 8379), (49, 6669), (57, 5733), (63, 5187), (91, 3591), (117, 2793), (133, 2457), (147, 2223), (171, 1911), (189, 1729), (247, 1323), (273, 1197), (351, 931), (399, 819), (441, 741), (513, 637)]