28697733

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 46754400

約数和(自身を除く): 18056667

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 643, 783, 1539, 1653, 1929, 2349, 4959, 5787, 12217, 14877, 17361, 18647, 36651, 44631, 52083, 55941, 109953, 167823, 329859, 354293, 503469, 989577, 1062879, 1510407, 3188637, 9565911, 28697733]

約数ペア:

[(1, 28697733), (3, 9565911), (9, 3188637), (19, 1510407), (27, 1062879), (29, 989577), (57, 503469), (81, 354293), (87, 329859), (171, 167823), (261, 109953), (513, 55941), (551, 52083), (643, 44631), (783, 36651), (1539, 18647), (1653, 17361), (1929, 14877), (2349, 12217), (4959, 5787)]