204916131

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 356668416

約数和(自身を除く): 151752285

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 161, 207, 309, 483, 721, 927, 1373, 1449, 2163, 2369, 4119, 6489, 7107, 9611, 12357, 16583, 21321, 28833, 31579, 49749, 86499, 94737, 141419, 149247, 221053, 284211, 424257, 663159, 989933, 1272771, 1989477, 2969799, 3252637, 8909397, 9757911, 22768459, 29273733, 68305377, 204916131]

約数ペア:

[(1, 204916131), (3, 68305377), (7, 29273733), (9, 22768459), (21, 9757911), (23, 8909397), (63, 3252637), (69, 2969799), (103, 1989477), (161, 1272771), (207, 989933), (309, 663159), (483, 424257), (721, 284211), (927, 221053), (1373, 149247), (1449, 141419), (2163, 94737), (2369, 86499), (4119, 49749), (6489, 31579), (7107, 28833), (9611, 21321), (12357, 16583)]