217112751

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 329987520

約数和(自身を除く): 112874769

約数列:

[1, 3, 9, 27, 53, 159, 173, 477, 519, 877, 1431, 1557, 2631, 4671, 7893, 9169, 23679, 27507, 46481, 82521, 139443, 151721, 247563, 418329, 455163, 1254987, 1365489, 4096467, 8041213, 24123639, 72370917, 217112751]

約数ペア:

[(1, 217112751), (3, 72370917), (9, 24123639), (27, 8041213), (53, 4096467), (159, 1365489), (173, 1254987), (477, 455163), (519, 418329), (877, 247563), (1431, 151721), (1557, 139443), (2631, 82521), (4671, 46481), (7893, 27507), (9169, 23679)]