81468981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{48407}}^1$

素因数の和:48441

約数の個数: 24

約数和(自身を含む): 135929664

約数和(自身を除く): 54460683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 48407, 145221, 435663, 532477, 822919, 1597431, 2468757, 4792293, 7406271, 9052109, 27156327, 81468981]

約数ペア:

[(1, 81468981), (3, 27156327), (9, 9052109), (11, 7406271), (17, 4792293), (33, 2468757), (51, 1597431), (99, 822919), (153, 532477), (187, 435663), (561, 145221), (1683, 48407)]