66386439

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1783}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 113034240

約数和(自身を除く): 46647801

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 591, 1379, 1773, 1783, 4137, 5319, 5349, 12411, 12481, 16047, 37233, 37443, 48141, 112329, 336987, 351251, 1053753, 2458757, 3161259, 7376271, 9483777, 22128813, 66386439]

約数ペア:

[(1, 66386439), (3, 22128813), (7, 9483777), (9, 7376271), (21, 3161259), (27, 2458757), (63, 1053753), (189, 351251), (197, 336987), (591, 112329), (1379, 48141), (1773, 37443), (1783, 37233), (4137, 16047), (5319, 12481), (5349, 12411)]