26307981

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7879}}^1$

素因数の和:7945

約数の個数: 24

約数和(自身を含む): 44254080

約数和(自身を除く): 17946099

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 7879, 23637, 55153, 70911, 165459, 417587, 496377, 1252761, 2923109, 3758283, 8769327, 26307981]

約数ペア:

[(1, 26307981), (3, 8769327), (7, 3758283), (9, 2923109), (21, 1252761), (53, 496377), (63, 417587), (159, 165459), (371, 70911), (477, 55153), (1113, 23637), (3339, 7879)]