40780161

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 65505024

約数和(自身を除く): 24724863

約数列:

[1, 3, 9, 17, 47, 51, 53, 107, 141, 153, 159, 321, 423, 477, 799, 901, 963, 1819, 2397, 2491, 2703, 5029, 5457, 5671, 7191, 7473, 8109, 15087, 16371, 17013, 22419, 42347, 45261, 51039, 85493, 96407, 127041, 256479, 266537, 289221, 381123, 769437, 799611, 867663, 2398833, 4531129, 13593387, 40780161]

約数ペア:

[(1, 40780161), (3, 13593387), (9, 4531129), (17, 2398833), (47, 867663), (51, 799611), (53, 769437), (107, 381123), (141, 289221), (153, 266537), (159, 256479), (321, 127041), (423, 96407), (477, 85493), (799, 51039), (901, 45261), (963, 42347), (1819, 22419), (2397, 17013), (2491, 16371), (2703, 15087), (5029, 8109), (5457, 7473), (5671, 7191)]