1981749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 3446784

約数和(自身を除く): 1465035

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 373, 483, 759, 1119, 1771, 2611, 4103, 5313, 7833, 8579, 12309, 25737, 28721, 60053, 86163, 94369, 180159, 283107, 660583, 1981749]

約数ペア:

[(1, 1981749), (3, 660583), (7, 283107), (11, 180159), (21, 94369), (23, 86163), (33, 60053), (69, 28721), (77, 25737), (161, 12309), (231, 8579), (253, 7833), (373, 5313), (483, 4103), (759, 2611), (1119, 1771)]