165409839

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 54

約数和(自身を含む): 293613840

約数和(自身を除く): 128204001

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 361, 399, 441, 931, 1039, 1083, 1197, 2527, 2793, 3117, 3249, 7273, 7581, 8379, 9351, 17689, 19741, 21819, 22743, 50911, 53067, 59223, 65457, 138187, 152733, 159201, 177669, 375079, 414561, 458199, 967309, 1125237, 1243683, 2625553, 2901927, 3375711, 7876659, 8705781, 18378871, 23629977, 55136613, 165409839]

約数ペア:

[(1, 165409839), (3, 55136613), (7, 23629977), (9, 18378871), (19, 8705781), (21, 7876659), (49, 3375711), (57, 2901927), (63, 2625553), (133, 1243683), (147, 1125237), (171, 967309), (361, 458199), (399, 414561), (441, 375079), (931, 177669), (1039, 159201), (1083, 152733), (1197, 138187), (2527, 65457), (2793, 59223), (3117, 53067), (3249, 50911), (7273, 22743), (7581, 21819), (8379, 19741), (9351, 17689)]