81531527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2423}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 111697920

約数和(自身を除く): 30166393

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 2423, 3059, 4807, 16961, 26653, 33649, 46037, 55729, 186571, 322259, 390103, 506407, 613019, 1058851, 3544849, 4291133, 7411957, 11647361, 81531527]

約数ペア:

[(1, 81531527), (7, 11647361), (11, 7411957), (19, 4291133), (23, 3544849), (77, 1058851), (133, 613019), (161, 506407), (209, 390103), (253, 322259), (437, 186571), (1463, 55729), (1771, 46037), (2423, 33649), (3059, 26653), (4807, 16961)]