489596541

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{1181}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 786739200

約数和(自身を除く): 297142659

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1039, 1181, 3117, 3543, 7273, 8267, 19741, 21819, 22439, 24801, 59223, 67317, 138187, 157073, 414561, 471219, 1227059, 3681177, 8589413, 23314121, 25768239, 69942363, 163198847, 489596541]

約数ペア:

[(1, 489596541), (3, 163198847), (7, 69942363), (19, 25768239), (21, 23314121), (57, 8589413), (133, 3681177), (399, 1227059), (1039, 471219), (1181, 414561), (3117, 157073), (3543, 138187), (7273, 67317), (8267, 59223), (19741, 24801), (21819, 22439)]