65212161

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{463}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 105123840

約数和(自身を除く): 39911679

約数列:

[1, 3, 7, 19, 21, 57, 133, 353, 399, 463, 1059, 1389, 2471, 3241, 6707, 7413, 8797, 9723, 20121, 26391, 46949, 61579, 140847, 163439, 184737, 490317, 1144073, 3105341, 3432219, 9316023, 21737387, 65212161]

約数ペア:

[(1, 65212161), (3, 21737387), (7, 9316023), (19, 3432219), (21, 3105341), (57, 1144073), (133, 490317), (353, 184737), (399, 163439), (463, 140847), (1059, 61579), (1389, 46949), (2471, 26391), (3241, 20121), (6707, 9723), (7413, 8797)]