81600003

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1087}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 124467200

約数和(自身を除く): 42867197

約数列:

[1, 3, 9, 19, 57, 171, 439, 1087, 1317, 3261, 3951, 8341, 9783, 20653, 25023, 61959, 75069, 185877, 477193, 1431579, 4294737, 9066667, 27200001, 81600003]

約数ペア:

[(1, 81600003), (3, 27200001), (9, 9066667), (19, 4294737), (57, 1431579), (171, 477193), (439, 185877), (1087, 75069), (1317, 61959), (3261, 25023), (3951, 20653), (8341, 9783)]